tonight, the first major t tonight. the candidates and their final sprint. the progressives versus the moderates. bernie sanders and joe biden. elizabeth warren and amy klobuchar. and for pete buttigieg, is iowa a make or break moment? what we're learning right now. also developing, the audio released from the kobe bryant helicopter crash. the 911 call also at thistrour, uck. at least one dead, several in critical condition. the driver did not stop. the coronavirus and tonight, health experts now say and tonight, news coming in of a married couple infected with the virus, rushed to the hospital.

their conditions worsening. the deadly shooting on an american campus. two women killed inside a dorm. the school on lockdown. the passenger jet making an emergency landing. pilots reporting an engine problem and a blown tire just after takeoff. the flight circling for hours. a fighter jet escorting the plane to try to inspect the damage. the major storm on the move heavy snow, flooding and possible tornadoes, set to hit the south and right up into the northeast. how much snow and where? ginger zee times this out. the desperate search for a missing boy tonight who needs medication. missing now for a week, with the storm coming, his parents make an emotional plea. and rush limbaugh revealing his personal health battle on the air today. and good evening from iowa tonight. as we come on the air with this west coast edition of "world news tonight." we have a lot to get to, and we begin tonight right here on the ground, where the race for

president officially begins. the first votes. tonight, the iowa caucuses under days. many of the polls showing progressive bernie sanders with the jej edge going into this. president trump taking a swipe at sanders in just the last 24 hours. joe biden making an appeal to character, saying he's the best equipped to beat president trump. elizabeth warren back in iowa tonight, urging supporters, asking, do we take the timid approach or do we fight? and could iowa be a make or break moment for moderates pete buttigieg and amy klobuchar, who many believe need a strong showing here in iowa tonight to keep going. we have it all covered at this hour, and what we're learning so far. who will democrats choose to take on president trump? tonight, our first hint here of what voters were thinking as that entered the caucuses. abc's whit johnson leads us off right here in des moines. >> good to see you, sir. >> great to see you. >> reporter: on decision day in iowa, the two leading centrist candidates have the state largely to themselves. >> feeling good? >> are you going to win today? >> got to feed the troops. i hope so. i feel good.

>> reporter: former vice president joe biden expressing confidence, but trying to manage expectations, telling "the des moines register" it's okay if he doesn't win tonight. >> can your campaign survive not getting first place in iowa? >> we're going to survive all the way through this whole thing. >> reporter: but former south bend mayor pete buttigieg needs a strong showing here. selling himself as a moderate who could gain midwest support. and iowa is his chance to prove it. >> pete! pete! pete! >> happy caucus day! >> reporter: in the fight for iowa's 41 delegates, centrists biden, buttigieg and senator amy klobuchar joining progressives like elizabeth warren and bernie sanders, who sprinted out of the impeachment trial in d.c. late today, try >> if there's a good turnout, i think we'll do just fine. >> reporter: sanders' volunteers like maru pabon knocking on 500,000 doors in just one month. do you feel like your efforts out here have been successful? >> i really do believe so. it's been really tiring, but at the same time, there's just that

surge of adrenaline that keeps me going, and i think it's made a difference. >> reporter: as a sign of sanders' momentum, president trump using his giant super bowl platform to telegraph how he'd take him on. >> he's a communist. i mean, you know, look. i think of communism when i think of bernie. >> reporter: and here in iowa, elizabeth warren not about to yield the progressive mantle to bernie sanders. >> do we cower? do we take the timid approach? or do we fight back? me, i am in this to fight back. that's why i'm here. >> and so, let's get to whit johnson, at sanders' headquarter tonight. and we're learning our first real hints here, our first look at what was going on in voters' minds early entrance poll results tonight. voters asked if they would rather have a democratic nominee who agrees with them on major issues or a nominee who can beat

donald trump? about 60% says they would prefer a nominee that would beat trump. the rest say it's more important that the nominee agree with them. so, a snapshot on what's on voters minds here tonight. >> whit, thank you. across town here, joe biden's headquarters and biden just today said he is feeling good but that he does not need an iowa win to keep going. let's get to abc's eva pilgrim, she's there tonight. biden repeating the same message over and over again, that he believes he's the candidate most capable to beat president trump. >> reporter: that's right, david. biden's team downplaying expectations tonight in a major way. a senior strategist telling us that even if he doesn't win here tonight, they still think he's the most electable. with broad appeal. pete buttigieg has been making a real play for those moderates, making the case for generational change. senator amy klobuchar has been pitching her experience, hopeful that if biden stumbles here tonight, that it will breathe new life into her campaign. klobuchar and buttigieg both need to have big nights here in iowa, david. >> all right, eva pilgrim, thank

you. our powerhouse political team here all night as the result us come in. we'll bring them right to you, on abc news and abc news live, up and running. streaming everywhere with breaking news, context and analysis. we hope you'll join us there, as well. there is a lot of other news to get to this monday night, and we have new reporting here on the deadly helicopter crash that killed kobe bryant, his daughter and seven hoers. just a short time ago, authorities releasing the 911 calls, and abc's will carr tonight with the audio. >> reporter: tonight, authorities releasing the chilling 911 calls that came in just seconds after the helicopter carrying kobe bryant and eight others crashed. >> a helicopter crashed into a mountain. we heard it and now i'm looking at the flames. >> reporter: the helicopter, eles just over a week og, ago. >> i just heard a helicopter go over me. it went over my head. it's thick in clouds. and then they just -- i heard a pop and it immediately stopped. >> reporter: our tom llamas spoke to that 911 caller.

>> how thick was that fog? >> it was thick. imagine jumping into a pool filled with milk and opening your eyes. >> reporter: federal investigators say the helicopter in its last moments in the air climbed, then descended rapidly, dropping over 2,000 feet per minute. as the investigation continues, the ntsb confirms the helicopter did not have a terrain alarm system, like the one seen here, that's recommended for all helicopters with six or more passengers ats. it's unclear, though, if that system could have prevented the crash. this comes as fans and players continue to pay tribute to the preliminary report into the crash as early as this week. david? >> will carr tonight. will, thank you. and we are following a terrible scene unfolding in moore, oklahoma, tonight. children were struck by a pickup truck near a high school this afternoon. at least one child has died, others critically wounded. the driver, authorities say, did t op here's abc's erielle reshef. >> reporter: tonight, horror unfolding in this suburban neighborhood in moore, oklahoma.

>> they are requesting multiple units. multiple kids have been run over by a car. >> reporter: just as the local high school was letting out, a red pickup truck barreling down the street, plowing into a group of students, all part of the cross-country team. >> we're going to need several ambulances. like two or three started this way. >> reporter: at least one student killed. another five hit. three students critically injured. classmates witnessing the terrifying scene. >> he was screaming and crying, trying to help as much as he could. >> reporter: police say the suspect fled the scene, caught a few blocks aw. hereiv fieldet vid, tsetunts were rushed to the trauma center in oklahoma city. the investigation just beginning tonight. david? >> erielle, thank you. and now to that deadly shooting at a college campus in texas tonight. the texas a&m commerce campus put on lockdown for a time. students and faculty were told to shelter in place, after a shooting inside a residential hall. two women were found dead.

a toddler also found in the room in stable condition tonight. the investigation now ongoing, but police say there does not appear to be any ongoing threat. there are major new developments tonight in the coronavirus. this evening, authorities are warning, this could become a global pandemic. and here in the u.s. tonight, now 11 confirmed cases, and there is news that a married couple has been rushed to the hospital, their condition worsening. here's gio benitez. >> reporter: tonight, global fears are growing over the coronavirus. here in the u.s., at least 11 cases, five confirmed just this weekend in massachusetts and california, including a married couple now hospitalized in san francisco, after their symptoms worsened. the husband recently visited wuhan, then passed the virus to his wife. today, our dr. jennifer ashton visiting the national institutes of health, where they're working on a vaccine. >> what do you think the chances are that this novel coronavirus outbreak could become a pandemic? >> if it gets into countries in

the developing world, like in africa, where some of those countries don't have the health care system to do identification, is contact tracing, then the likelihood of it becoming a global pandemic is much bigger. >> reporter: nearly 4,000 people tonight aboard this princess cruise ship are quarantined in japan, after a passenger who left the ship days ago was chinese state television now showing the completion of two hospitals built over the last ten days. one now ready to take patients. 425 people have died in china, and at least 20,000 people around the world have been infected with the virus. across asia, crews are spraying down planes and passengers arriving from china. the u.s. is now orga evacuation flights to get about 1,000 americans out of wuhan. but justin steece can't travel back with his family, because his wife is not a citizen. >> the first time i've seen her cry about this the entire time.

there's no way i would ever separate a mother and her 1-month-old baby. >> reporter: and david, there are some major travel restrictions into the u.s. right now. noncitizens who have been in china recently will not be allowed into the united states. some citizens may have to be quarantined for 14 days. david? >> gio benitez live at jfk airport tonight. gio, thank you. in the capitol today, closing arguments in the impeachment trial of president trump. the democrats begging republicans to, quote, do the right thing, even in this late hour. while some republicans made it clear they don't think what the president did was appropriate, but they say, it's not impeachable. mary bruce on the hill tonight. >> reporter: heading towards defeat, democrats on the senate floor today with a final plea. >> all is not lost. even at this late hour, the senate can still do the right thing. >> reporter: urging republicans to consider the lens of history, chairman adam schiff with a pointed warning.

>> you can't trust this president to do the right thing. not for one minute, not for one election, not for the sake of our country. you just can't. he will not change and you know it. >> reporter: but the president's lawyers argued the decision should be up to the american people. >> the answer is elections. not impeachment. >> reporter: they insist the president's effort to pressure ukraine to investigate joe biden was completely appropriate. >> the president has done nothing wrong. >> reporter: but a growing number of republican senators disagree, even as they prepare to acquit the president. >> i think it's not something when y'rnent.edo. president's actions, while not impeachable, were not right. >> the president's behavior was shameful and wrong.

>> mary bruce live on the hill tonight. and mary, wednesday, of course, senators are expected to vote to acquit the president, but we know before then, the president will actually deliver his state of the uon msaay night. of course, the big question at this point, will the president talk about his impeachment or this trial? >> reporter: well, david, the white house says that the s to positive message, and republicans i've talked to here on the hill are urging the president to stay clear of the issue of impeachment entirely. but with trump expected to be acquitted the very next day, the big question here is whether the president can resist the urge to claim victory. david? >> mary bruce live with us tonight. mary, thank you. and conservative radio host rush limbaugh with a very personal reveal today while on the air. limbaugh talking about his battle with advanced lung cancer. here's abc's steve osunsami. >> i have to tell you something today that i wish i didn't have to tell you. >> reporter: on the radio program that he has broadcast for the past 30 years, limbaugshared tod

advanced lung cancer. >> reporter: the kingmaker of conservatives, who often pokes his finger in the eyes of liberals, announced today that he'll need to take time away from the mic. the 69-year-old says that his doctors found the late-stage cancer after he started feeling short of breath, which he first thought was asthma. >> there are going to be days that i'm not going to be able to be here, because i'm undergoing treatment or i'm reacting to treatment. >> reporter: limbaugh has had health issues before, but nothing like this. he lost his hearing and got much of it back in 2001 with the help of a cochlear implant, seen here. over the years, limbaugh has raised millions to fight cancer, and says he'll be away from the show this week until thursday. david? >> steve osunsami tonight. steve, thank you. and overseas tonight, the emergency landing for an air canada plane after an engine was damaged on takeoff from the airport in madrid. a spanish f-18 fighter jet flying alongside the aircraft to survey the damage. pi

passengers in the cabin cheering when the plane touched down safely. authorities investigating how the engine was damaged. there is still much more ahead on "world news tonight" this monday. the deadly shooting onboard a in fact, reports of passengers jumping in to tackle the gunman. there is also news tonight of the desperate search for a missing boy. his parents' emotional plea this evening. they say he needs medication. and that there's now a storm coming. and that major storm is on the move tonight. heavy snow, flooding, possible tornadoes set to hit the south and then right up into the northeast by midweek. how much snow and where? ginger zee standing by to time this out. back in a moment. that i can get.d all ths at liberty butchemel... cut. liberty mu... line? cut. liberty mutual customizes your car insurance so you only pay for what you need. cut. liberty m... am i allowed to riff? what if i come out of the water? liberty biberty... cut. we'll dub it.

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colorado springs. >> i'm begging, i'm pleading, if anybody has any type of lead, put yourself in my situation. >> reporter: adding to the urgency, gannon's emotional mother says the boy, who is 4'9" and 90 pounds, requires special medication. >> my child was a one-pound, six-ounce baby. he had a 10% chance of survival. >> reporter: the boy's stepmother was the last person to see him, telling kktv that gannon planned to walk to a friend's house. >> i would never, never ever hurt this child. and i know there's some questions out there. >> reporter: tonight, with more questions than answers, gannon's parents are asking everyone to keep a close eye out for their son. >> daddy loves you so much. please come home. >> reporter: and david, authorities say they are now searching a new area, about ten miles from where gannon vanished, but you can see, it is snowing here in colorado, and that is going to complicate the search. david? >> clayton, thank you. when we come back here, news tonight about that deadly

shooting on a greyhound bus. passengers all jumping in to tackle the gunman. and that major winter storm. 14 states now on alert from the south all the way up into the northeast on this, and ginger times it out in a moment. thousands of women with metastatic breast cancer, which is breast cancer that has spread to other parts of the body, are living in the moment and taking ibrance. ibrance with an aromatase inhibitor is for postmenopausal women or for men with hr+/her2- metastatic breast cancer, as the first hormonal based therapy. ibrance plus letrozole significantly delayed disease progression versus letrozole, and shrank tumors in over half of patients. patients taking ibrance can develop low white blood cell counts which may cause serious infections that can lead to death. ibrance may cause severe inflammation of the lungs that can lead to death. tell your doctor right away if you have new or worsening symptoms, including trouble breathing, shortness of breath,h, ot . before taking ibrance, tell your doctor if you have fever, chills,

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the unbeatable strength of advil. what pain? to the index of other news this monday night. the deadly shooting on a greyhound bus north of los angeles. police say one woman was killed, five passengers wounded. the bus traveling overnight from l.a. to the bay area. witnesses say the gunman suddenly began shooting. several passengers tackling him, taking him down. the driver getting him off the bus. police arresting him on the highway. i mentioned that major storm blowing across the country. tonight, 14 states on alert, from california to texas. heavy snow in the rocky mountain erous driving.. this is utah's cotton wood canyons. and that storm reaches the northeast by wednesday. so, let's get right to chief meteorologist ginger zee. hi, ginger. >> reporter: david, salt lake city has had more than nine inches of snow, their biggest snow so far of the season, up to a foot and a half outside. but watch as that low drops out of the rockies, timing-wise,

tomorrow night into wednesday down to texas.now m and by tuesday inttos start upth south h rona, right in there, too. davi >> ginger, thank you. when we come back here tonight, the two major victories on that field last night. i wasn't sure... was another arou t coung a differy? i wanted to help protect myself. my doctor recommended eliquis. eliquis is proven to tre another dvt or pe blood clot. almost 98 percent of patients on eliquis didn't experience another, and eliquis has significantly less major bleeding than the standard treatment. eliquis is fda-approved and has both. don't stop eliquis unless your doctor tells you to. eliquis can cause serious and in rare cases fatal bleeding. don't take eliquis if you have an artificial heart valve or abnormal bleeding. if you had a spinal injection while on eliquis call your doctor right away if you have tingling, numbness, or muscle weakness. while taking eliquis, you may bruise more easily

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he is the 24-year-old quarterback who led that come from behind victory. kansas city down double-digits with minutes left. >> kansas ci chiefs quarterback patrick mahomes ytl mvp ever. the chiefs scoring threeowfina s. >> into the end zone for the touchdown! >> the young star with his coach, veteran coach andy reid, both winning their first super bowl together. >> what's magical about you guys working together? >> yeah, i mean, we never lost faith. i think that's the biggest thing. everybody on this team, nobody had their head down, and we believed in each other and that's what we preached all your long. and we had this guy right here to get us here and we found a way to get it in the end. >> it's been 50 years since they won the super bowl. >> we saw a lot of emotion from you throughout the game and you were very calm, but now you can afford to be emotional. >> yeah, i'm good. i'm good. my heart's racing. i'm getting older. i can't let it race too fast.

>> the other history-making moment -- >> hola, miami! >> -- shakira and jennifer lopez. ♪ don't be fooled by the rocks that i got i'm still i'm still jenny from the block ♪ >> becoming the first two latinas to ever co-headline a super bowl halftime show. jennifer lopez not shying away from this divided moment in america. >> latinos! >> wearing the puerto rican flag on one side. the american flag on the other. and bringing her 11-year-old daughter, emme, on stage with her, singing "born in the usa." ♪ born in the usa ♪ let's get loud >> the reviews spectacular. this tweet getting attention -- "shakira is 43 and j. lo is 50. you can't tell me they're not the most impressive athletes in that stadium tonight." >> muchas gracias. >> thank you so much! >> what a halftime show and what a game. i'm david muir. i hope to see you right back here tomorrow. good night. b.a.r.t. trying to crack f t

a solution to that issue has caused a new problem for riders with disabilities. one woman shows you exactly what she's dealing with. a little over a year ago we announced this incredible public/private partnership. >> good news from the city of oakland. hear how it's made progress when it comes to the issue of homelessness. absolutely we could see shortages. >> you see "made in china" on a lot of product labels. tonight what the coronavirus outbreak means for all of those items. fare evasion costs b.a.r.t. about $25 million a year, but changing the fare gates comes with its own unintended costs and consequences. good evening and thanks for joining us. i'm ama daetz. >> and i'm dan ashley. b.a.r.t. is the bay area's most widespread transit system so making it better is a bigger part of building a better bay area. >> abc 7 new rte l

kreutz brings some perspective. >> reporter: this is jay, a long-time b.a.r.t. rider who is paraplegic. once downstairs at the berkeley station, jade will ask an attendant to open the emergency gate to let her through. >> are you going to help me enter? >> reporter: but it's not always so easy. there isn't always an attendant there and because of recent changes to stop fare evaders, the emergency gates are often locked or too heavy to push open. she posted this open letter to b.a.r.t. >> i understand what this design is doing, but it's created some accessibility barriers in the process. >> reporter: so here's some of the changes that have been made at stations like here in berkeley. this gate used to be a lower, lighter gate that would