entire area shutdown for a couple of days. >> a horrific scene and the heart of boston. bomb targeting runners in the boston marathon. >> explosion's tearing through crowds at the finish line. >> this heightened security in the bay area as president obama promises to bring those responsible to justice >> we will find out who did this we will find out why they did this. >> pam: a city in shock, a treasured tradition now tarnished by images of death and destruction. we're still

learning the details about today's bombing at the boston marathon. two bombs exploded within seconds of each other, about 75 yds apart. right now, the death toll stands at three, but it could go higher. some of the more than 140 injured victims are not expected to survive. no arrests and no one has claimed responsibility. there is one report that a person in interest is being questioned by f. doris. police say, the attack could have even been more deadly. they found several devices that bill to go off. u.s. navy bomber crews are on the scene. national guard troops have set up a command post on the boston,. boston police have with a grant >> pam have dramatic video showing the first explosion right there and then you can hear the second explosion about 15 seconds later. this was shot by claude boston globe photographer.

that photographer was position that the finish line. we want to warn you some of the images are quite graphic. --boston globe photographer. >> oh my god. oh my god. oh my god. >> you did that voice, that was the boston globe photographer. once that smoke started clearing, he saw how many victims there were, how bloody the scene was. but your chaos after the blast. now i want you to watch and listen to the second explosion shot by a race spectator and the stand

across the street. >> (screaming) >> smoke immediately billowing up, running for safety. hysteria. for thousands at the boston marathon >> pam: imagine being there, kron4's justine waldman has been monitoring witness accounts for those who were nearby when the bombs went off >> i want to start off right now with one of the scenes we've seen over and over. one of the most memorable, that's for sure. 1 and older man who was forced off his feet when the first explosion hit. let's show you that video. we've slowed down since see exactly what we are talking about. that is a 78 year old man. he was just about to cross the finish line. listen here as this marathon runner

describe with his mom was like. >> this tremendous explosion, it sounded like a bomb went off right next to me and the shock waves just hit my body and my legs to started shivering around. i knew i was going down. i didn't feel any severe pain, but as i rolled over, i saw a little scratch on my leg but nothing too bad. so i lay there just momentarily and one of the finisher assistances came over to talk to me and offered to give me a hand and help me get up and help me get over the finish line so i could complete my race. so, we did that and i felt ok so i told them i was probably our right. we started to get a wheelchair but i rounded up and i told them my hotel,

six blocks away and that i could make it ok. they let me get out of there and i went my way. >> so after all of that, he ended up with only is scraped his knee, walked across the finish line and as you heard, back to his hotel. we will hear more from witnesses of people and other pain. that's coming up about 20 minutes. >> pam: continuing our coverage, charles clifford is tall and elsewhere those explosions occurred. >> these explosions occurred near downtown boston. this year the finish line. this is google earth since view of the street and the finish line. the runners running this direction east found. the first explosion which was around 3:00 p.m. occurred right here on the north side the sidewalk. the second explosion which happened 10 to 50 seconds later, they're right lot of

people at the time. there's a starbucks right here. and a lot of runners on the roadway. now, after the at the explosion at the national guard shut down the entire area. the fbi is now leading the investigation. and we know their route to other suspicious devices. we all know where one of them was but one of them was here near the st. near area known as copley square. the fbi could have this entire area shutdown and the next few days. in the newsroom, charles clifford, kron4 news. >> pam: president obama made it clear that information is still coming in and no one should jump to any conclusions until the facts are known. with that said, the president did make it clear, that those responsible will be identified and held accountable. >> i've directed the full

resort resources to the federal government to protect our people. increased security around the united states if necessary and investigate what has happened. the american people will say a prayer for a boston tonight and michele and i send our deepest prayers' to the families of the victims in the wake of this senseless loss. we don't yet have all the answers, but we do know that multiple people have been wounded, some greatly in explosions of the boston marathon. i've spoken to fbi director miller and they are mobilizing the proper resources to investigate and to respond. we still do not know who did this or why and people should not jump to conclusions before we have all the facts. but, make no mistake, we will get to the bottom of this and we will find out who did this. will find out why they did this.

any responsible individuals. any responsible groups. , will tell the full weight of justice. today's holiday in massachusetts, its patriots day. and today that celebrates the free and fiercely independent spirit that this great american city of boston has reflected since the earliest is a tradition. this brought people and spirit of free competition. boston is a tougher resilience, and so are its people. i am supremely confident the bostonian will pull together to carry each other and move forward as one proud city and as they do, the american people will be with them every single step of the way. >> pam: local officials across the bay area are also on high alert tonight. kron4's dan, and has news about how san francisco is responding to the attack in boston >> i'd want to assure everyone in san francisco that we are safe >> go there are no specific

threats aimed at the city san francisco, mayor ed lee has told has announced additional police officers are on patrol. >> officers have special interest areas of large crowds and crippled infrastructure both here and san francisco international airport to make sure >> everyone is > but the explosions of the boston marathon brought up obvious comparisons to what san francisco's de breakers the slated for next month. >> we have to look at everything with these events and everything that has occurred in boston to figure this out so that we are ultimately making sure that public safety is our number one concern and that's what we are going to do with bay to breakers that will do with cherry blossom, and that's what we will do with every event of every size is >> but the chief made clear that san francisco residents

must play a part and report any and all suspicious behavior they see. at the bay to breakers and anywhere else >> if there's going to be 50,000 people in the bay to breakers, the police department are not the only security on the scene. that's 50,000 sets of eyes and ears here. if you see something, say something. police say something >> the mayor says he's been in touch with the people behind the bay to breakers, but he wants to wait for the facts come out to know exactly what happened in boston before the change in plans or develop new security plans. dan carmen, kron4 news >> pam: a number of the nation's airports are beefing up security here in the bay area, kron4's terisa estacio is as san francisco international airport were law-enforcement was offered today >> here at s f o r for this spring into action after

getting a call for heightened security because of what happened in boston. take a look of this video, this was shot dead monday afternoon. you can see a bomb sniffing dog checkout trash cans. the officer handling the dog said there were told to move quickly. shortly after the bomb blast in austin, tx 8 officers were called out, looking out for possible suspicious activity. an officer with sfpd here at the airport told me that everyone on staff has had their shift extended for at least four hours. now, no flights here at sfo were affected. there was a short alert to the restricted flights from logan airport to boston but a duty agent said that did not affect any sort of san francisco flights. travelers said that by and large, they feel safe to travel on this day, but certainly what has happened in boston is affecting

everyone. >> r. lifland of trouble now? >> what i have some questions about it. >> my daughter's brother-in- law and son were near the bombing. they're safe >> here at sfo terisa estacio, kron4 news >> pam: car rob fladeboe is covering south bay >> officials here at mineta are echoing their counterparts across the country reminding travelers about the. a san jose police officer with a bomb sniffing dog could be seen going through terminal be late this afternoon. officials said this is standard operating procedure. san jose police

are monitoring events related to the boston bombing but had not offered any extra patrols here. they said they had not been any extra orders beyond what they do every day. the travelers are where in talking about the bombing and once again, being reminded that if they see something than to say something. san jose, rob fladeboe, kron4 news. >> pam: still had tonight, a look at the tragedy and how it's hitting the on-line community and social media >> plus> i'm scott rates live your in oakland where the a's and the warriors are both playing tonight. coming up, i spoke to police and asked them how they're keeping fans out here safe. you kids should count yourselves lucky.

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>> pam: we continue to follow the developing story out here in boston tonight. bombs killing three people,

including in a year-old child. nearly 150 people are wounded police are examining surveillance video, looking for people who are carrying backpacks and packages into the area. president obama promising to find people responsible and bring them to justice. security tightens around airports, baseball stadiums anywhere where large groups are gathered. in oakland tonight, police are saying there is a more visible police presence at the golden state warriors' game as well as the baseball game. kron4's scott rates is live with an update with security there. >> pam i can tell you that security is certainly beefed up at both games. both of those games going on right now. i want to get over to some video. i shot this just a while ago and you can see what it looks like as security was check-in all of the fans as they were walking into the stadium. this is the athletics. i saw

lots of o p d. they were here with the bomb squad i talked with the bomb squad and ask them what exactly they're going to keep people said. >> before anybody was here, we had excellent explosives sniffing canine to surgical facilities. they have to do both buildings. nothing was found and everything was secure and cleared and now during both events, would have the bomb technicians later in the game >> and the fans are telling me that they welcome the extra security and they tell me they feel secure. they're not worried and they feel safe. the authority's say they just want fans to be vigilant in report things they see that looks out of the ordinary. reporting live in oakland scott rates kron4 news. >> gabe slate is monitoring this through social media.

gabe what is unfolding on line. >> ibm yes in a big events shape how we use social media. u2 is aware of that and they've done something i've never done before. something completely new. let me show you what they did today. they have created a channel for bosc explosions at boston marathon. the most relevant videos related to the event. this is yet to be itself that has made this channel. video from the president's press conference in multiple videos from various angles that captured the blast. a lot of these videos are not edited or censored so be careful when you watch them. you to said they're doing this so they kit kit and the information as it unfolds. every time there's a big event like this, there could be a step pacific dedicated channel that could

pop up. gabe slate, and the news room. >> pam well well it's been a rather than the day-to- day are peak us in the afternoon today. san jose 40 and wind gusts and 38 and fairfield. when some are dying down but they still remain fairly strong near the coast line. 33 mi. per hour and half man bay. we are still underweighted by azeri through the rest of the hour. you consider bay shore is highlighted. 20 to 30 mi. per hour sustained wins. gusted to 45 mi. per hour. still breezy for tomorrow just not as what is worse thing today. satellite radar showing few showers in the north. moving over to this year, were seen snow at this hour. but here, locally

clear. let's look at our weather headlines, but when the advisory. slight chance of showers. and tomorrow, still breezy, warmer temperatures as we head to the rest of the week so a warming trend in the bay area. r futurecast, were still seen those breezy conditions. over nine hours, you'll see the wind gust dying down some by 11:00. a few 20 mi. per hour. it will be relatively calmer over night but was could pick up again for tomorrow afternoon. that mainly impacting the delta and the wind gusts will be in the 20 mi. per hour. still breezier tomorrow. as we head into the end of the week, warmer temperatures into the upper seventies low 80s >> pam: stay with us tonight as we continue developments with the bombing at the finish line of the boston marathon.

the tear >> pam: attack at the boston marathon. two explosions

rocked that city near the crowded the finish line of the marathon. police say at least three people have been killed, one of them in a year-old child. more than 140 people were injured. the explosions were about a block apart and also happen within seconds of one another. hospitals are reporting that they're treating at least 134 people tonight. victims suffered broken bones and ruptured ear drums. of those hurt, officials say at least 15 are in critical condition. police said they have no suspects in custody and so far no person has clampers possibility for the attacks. will be right back. -- claimed responsibility.

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>> pam: there was kron4 as we continue to follow developments in the deadly explosion at the finish line of the boston marathon. >> the guy down is not here near the coast line were received 35 mi. per hour gusts near half moon bay. i tell you how long the when the weather will last coming up.

>> pam: explosions rocked the boston marathon this afternoon as runners were still crossing the finish line. at least three people have been killed and more

than 140 others injured amongst the dead, and eight year-old child. renee marsh has the latest on the >> simple story> a terrorist attack at the finish line of the boston marathon. two explosions within seconds of each other along the marathon route. >> and first only sound like a canid blast. there were some really bad entries >> we will get to the bottom of this and we will find out who did this. will find out why they did this. any responsible individuals. any responsible groups, will fill the full weight of justice. >> the force of the explosions caused a billing cloud of smoke over copley square and rising panic. if >> everyone started to scramble pushing people way not knowing if there were more. up >> we are looking for more information people have asked what they might have saw or heard at the side of the explosion or coming or

going. where does it all leads >> authorities have set up a tip line and ask people to go home were to hotels and to avoid large crowds. >> people should be called, but they should understand this is an ongoing events. >> the marathon winners have racked up their rates at about an hour earlier but nearly 27,000 athletes, were working to complete the course when the bombs went off. renee marsh, kron 4 news. >> pam: boston's higher police force has been put on a round-the-clock shifts to look for whoever is responsible. here's the latest information on the bombing. the death toll stands at 3 and it could go higher. more than 140 victims are not expected to survive. some children as young guest 2 years old. police say the police could have been even more deadly. they found several devices which fell to go off. u.s.

navy bomber crews are on the scene and the national guard has set up a command post at the boston common. no arrests and no one has claimed responsibility. there is one report that a person of interest has been questioned by police have not yet confirmed that. grant? >> this right here during the second explosion. take a closer look. runners are actually heading towards it. you can see the smoke all around. the runners don't even know what's happening, they're just running the race. another perspective now on the second blast and it almost looks like a fireball as police and others start running. immediately, this. this young boy with the lower leg injury. this woman appears to have hurt her in the area. she's being pushed by police officer who is running. back out the

perspective, you see how many people were on the scene. here's the 70 year- old man told about who felt after the first bomb went off. people consoling loved ones. a gruesome scene. here's a victim, letting out a scream. the victim's consoled by loved ones. fears and shock you had panic and terror at the finish line of the boston mayor cop >> pam: kron4's justine waldman has been witnessing backed witness accounts. she joins us now with the latest on what she found. justin? >> but these deadly blast knocked people off their feet, triggered mass chaos a lot of people said they heard an explosion, they heard the ground shook they felt the ground shaking. one describes a gruesome scene in a tent near the bombing >> my pants, my clothes. i

was this is the flat i was holding the whole time and this is how the flight ended up. >> at first it almost sounded like a cannon blast. it felt so strongly almost blew my hat off. everyone started running the other way. there were others running towards those injured. there were some very bad injuries. >> all banged up, bad. dishabille the last race of amputees. pretty big explosions. a lot of blood everywhere. >> when i made the turn, it then another one bom and then another one bom. a big cloud of smoke. it's crazy. >> are you ok?

>> i'm ok. on his word about it. this is really really bad. >> i've been following a lot of facebook posts and tweets, and i am overwhelmingly they say that terrorists will not deter them and it will be back next year. >> pam: will that is what people want to hear that americans are standing firm a matter what. here's charles clifford who gives us a virtual look at exactly where these explosions occurred >> monday's explosion occurred near downtown boston near the finish line to the boston marathon. we take a closer look with the google earth, you can see here is the street and the finish line to the race in the middle of the screen. the runners running eastbound along the street. the first explosion occurred here nearly 30 yds from the finish line. this is a street level view of that same area you can see the sidewalk. it was covered

with spectators and also runs in the middle of the street. 10 to 15 seconds after the first explosion, there was a second explosion about a block and a half along the west. that explosion occurred at an intersection. you can see the starbucks their and this entire area was covered with spectators and also runners as well. since the explosions, the national guard has come in and block off this entire area. the fbi has taken over this entire investigation. and we're told that the entire area will be shut down as investigators try to piece together what happened here. in the newsom, charles clifford kron 4 news. >> pam: there no specific threats to the city of sampras's go. police officers are asked to be very vigilant were large crowds gather. they said the moves as a safety precaution and they're asking the public to be especially

alert and report any suspicious activity by calling 911. bart is taking extra precautions to further the safety of passengers. kron4's alicea gives us an update >> bart is reacting to that bombing by cranking up alert. passengers going in and out of the turn stop terrace civic center bart recognizing the additional officers. part is on heightened alert, closely monitoring the situation. there is an increased presence of officers inside and around the station. martinez following specific protocol. dogs have also been checking out trains but at this time there has been no affirmation telling them that bart has been targeted. the message is if you see

any suspicious activity, it's reported. that's the latest step in cisco civic center alecia kron4 news. >> pam: san francisco as a host to a number of huge community events including the upcoming bay to breakers race which is on may 19th. the mayor says security remains a top priority >> i want to make sure everyone knows we're going to take care of their public safety. it's the number-one thing. we have to look at everything with these events and everything that occurred in boston to figure this out so that we are ultimately mceachern the public safety is our number one concern. >> pam: the mayor went on to say that although fbi has assured there has been no direct threat to samper's cisco, officials and the bay to breakers organizers are looking to secure in order to prepare for any event.

gabe slate is live in our newsroom with what unfolded on line. >> one of the big trend in topics, people are complaining that they cannot get a hold of loved ones, their friends to see if they are okay or affected by this. the cell phone networks are having trouble there probably because so many good are using their phones. it's hard to get all of the people in touch with others. this is what they look like if you need to get a hold of someone there. this can help. google has set up a people finder for the boston explosion victims. you can find it at google dot or. here you can find information by searching their name. you can post it here and google will update their data base.

google says an emergency responders to use this service if someone has it been admitted to a hospital, you can get information about that. also, if some of boston is ok and the haft family may be out here on the west side, they can enter their formation to loved ones in an e-mail that they are ok. if you have the exact person's name, how they spell it, how will be a medical records, that to be handy but if that does not work for you, here's a boston number you can call for more information on people who were victims or who were affected by this 36176354500. in the newsroom, kate slate, kron4 news. >> pam: >> jacqueline: lee has been windy out there certainly this afternoon. our peak when gus clocking in at 55 mi. per hour. redwood city half day and oakland all seen 44 mi. per hour wind gusts. 38 and there filled. were still under a wind

advisory for about 20 more minutes. take a look at our current wind gust. things have calmed down and a number of locations. 30 mi. per hour and half when bay. as i mentioned, it went in buys three still in effect set to expire at 9:00 tonight impacting our bay shore is the coast line. these winds are dying down now but it's still going to be breezy out there tomorrow. satellite and radar pictures showing an area of low pressure is pushing in bringing showers to northern california. again to continue to tomorrow but not as bad as today. overnight, we will see, conditions except for the delta and you'll see when picking up and fare fell by 5:00 a.m. and will

be breezy to raw afternoon with wind gusts and 20 mi. per hour opposed the third is a forest. temperature rise tomorrow, were seen much warmer conditions titmouse tend to 10 degrees warmer. temperatures getting back in the '70s by wednesday's and thursday and possibly in the '80s this weekend. >> pam: we continue to follow the developments of the boston marathon bombings tonight. nearly 150 people are wounded. police are examining this surveillance video to see people carrying packages into the area. security tight around country tonight at airports you kids should count yourselves lucky. we didn't have u-verse back in my day. you couldn't just... guys... there you are.

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>> pam: the terror attack at

the boston marathon, two explosions rocked that city near the crowded finish line area. police say at least three people have been killed and one of them is an 8 year-old child. more than 140 people were injured in this incident. the explosions were about a block apart in happen within seconds of one another. hospitals report they're treating at least 134 people tonight. the victim suffered broken bones and ruptured ear drums because of the explosion. of all of those hurt, at least 50 people are in critical condition tonight. police said they have no suspects in custody and no groups or persons have claimed responsibility for the attacks. as the night goes on, we are hearing from more and more people who were there when those bombs went off in boston earlier today. they talk about the chaos and terror they experienced. justine is back now on the part of the story. justin? >> we just got new sound in the kron4 newsroom. and

mother is describing what she saw and heard on this terrible all terrible >> marathon >> >> i have been running on the left and slapping people on the left. i knew my family was on the right so i moved over so that my daughters could see me at the finish and-you can see, the blast happened. i immediately looked over and saw the runners down in smoke and people up against the fences and just terrific, terrific scene. >> lot of the other witnesses are describing how they felt trapped in that moment when the blast went off because they felt they could get away from the situation and then there is a second blast off than they did not know where to go. panic from everyone there. in absolute fear. >> pam: we had the sound you

had earlier from the older man who fell and got up and wanted to make sure he crossed the finish line. >> so many runners were further back and didn't even know this had happened. so this is something people look for to their whole lives to run their first boston so to not be able to finish the race is really devastating and on top of the horrific circumstances of why they cannot has been has made an awful day. president >> pam: obama addressed the occurrence today. he made it clear more information is coming in and no one knows for shore what has happened and we should not jump to conclusions until the facts are known. the police the president did make it clear that those people who are found will be held accountable. >> increase security around

the united states as necessary and investigate what has happened. the american people will say prayer for boston tonight and michelle and i will send our deepest thoughts and prayers to the family of the victims' in the wake of this senseless loss. we don't yet have all the answers but we do know that multiple people have been wounded, some gravely and explosions with the boston marathon. i've spoken with fbi director and derricks mobilizing the proper resources to investigate and to respond. we still do not know who did this or why. people should not jump to conclusions before we have all of the facts. but, make no mistake, we will get to the bottom of this and we will find out who did this. will find out why they did this. any responsible individuals. an irresponsible groups, will feel the full weight of justice. today is a holiday

in massachusetts, its patriots day. it's a day that celebrates the free and fair swiss independent spirit that this great american city of boston has reflected from the earliest days of our nation and its a day that draws the world to boston streets in the spirit of friendly competition. boston is a tough and resilient town, so are its people. i am supremely confident that bostonian will pull together, will take care of each other, and move forward as one proud city. as they do, the american people will be with them every single step of the way. >> pam: on capitol hill today the house of representatives hold a moment of silence for the victims of today's bombing attacks at the boston marathon. >> will now serve eight months of silence in the memories of the bombing attacks today. of >> pam: 30 say to blasts were heard shortly after 3 in the afternoon near the areas finish line. boston

police confirmed at least three people were killed, more than 150 victims were hospitalized. police are referring to this as a police as a terrorist attack and the red cross is on the scene lending assistance for those looking for relatives or friends who are part of the marathon the irs has said that what the taxpayers will get extra time to finish their taxes in light of the tragedy. the irs will be providing additional payment extensions. would like to assure you images from capitol hill. it's nice its flag at half staff at half comomg,g, stop. jack, youounew chipotle chicken club is craze amaze. annnd chipotle is totes trending. spspicicy crispy chicken, hicky smoked bacon,on memeltlting cheese, and smoky chipotle sauce plus fries anand d a drink for $4.99? tht combo is chipot-cray.

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a winded by azeri set to expire at 9:00 p.m. still

going to be breezy tomorrow but not just as strong. some showers ongoing in the sierra and snow even. pressures die down in the south. it is responsible for the gusty winds today. it is going to put to the east tomorrow and we will still see some windy conditions in light of that storm. tomorrow, still breezy but not as bad as today. it will be noticed possibly warmer today. and the warm tran will continue through the weekend. pretty breezy across the coast line, down by 10:00 and as we head into the night hours a lot calmer everywhere except for the delta where winds are expected to be gusting into tomorrow morning name and then winds picking up in the later morning hours. it would pitcher extended forecast, still breezy tomorrow and warmer to run the warming trend will continue into the neck rest of the week and next

weekend. will be right back.

>> pam: and a recap tonight on the terror attack at the boston marathon. two explosions rocked that city near the crowded finish line area. police say at least three people have been killed, one of them, a child, 80 years old. more than 140 others were injured. the explosions worry about a block apart and happened within seconds of one another. some victims suffered lambs show suffered a shattered bones and ruptured eardrums. officials say at least 15 are in critical condition and no suspects are in custody. so far, no groups of persons have claimed responsibility. stay tuned as we continue to bring you the latest developments in this breaking story. we will have updates on kron4 dot com and

at 11:00. and our 24 news channel comcast 193. we will look for you tonight at 11. good night everybody.