the mets placed darn el on a disabled list with a strained rotator cuff. a big time in times square. the 100 day countdown to rio. it gets under way at 2:00. 200 athletes will be on hand. members of the news 4 family will be there greeting fans, signing autographs. i'll be there, come out and say hi. >> we'll all be there. >> nbc "nightly news" is next. >> see you tonight at 11:00. have a great edge evening. breaking news tonight. outbreak. 70 million at high risk of catastrophic tornadoes, and hail up to the size of baseballs. urgent warnings of potentially life-threatening weather. trump looking for a clean sweep, and sanders to reassess his strategy. a massacre that

eight relatives killed, now we find one shot nine times. black boxes found from the invaded ship that went down in the deep, killing all 33 onboard. and big money surprise. the boss of a yogurt empire stuns thousands of employees with a promise that could make some millionaires. would your boss do this? "nightly news" begins right now. >>] announcer: from nbc news world headquarters in new york, this is "nbc nightly news" with lester holt. good evening. right now, we are monitoring a massive and dangerous storm system poised to bring severe weather to millions from north texas into nebraska. tornado watches are posted in four states with people in the path braced for hail, and violent winds. this system more potent than many others that have pounded the region this spring, and could intensify during the night.

is in the storm zone with the latest. >> reporter: this is the leading edge of a monster storm system threatening 53 million people tonight. in the danger zone, the forecast calls for a wild mix. baseball-sized hail. scattered lightning. powerful winds, up to 80 miles per hour. conditions right for tornadoes. at the kansas city airport, it turned ugly early. thunder, lightning and hail. day turned to night across missouri. downpours and winds causing problems. >> that is a wall of water right now. >> reporter: in oklahoma city, they are watching the sky for twisters like this. the state emergency operations center warning of explosive tornadoes tonight. schools, businesses closing early, car dealerships hauling their inventory to covered garages. >> they told us to expect up to baseball-sized hail. that's why we've

all indoors. >> reporter: tornado alley has already been hammered, homes ripped apart, lightning sparking house fires. tonight, a 70,000 square mile area stretching from texas to nebraska in the bull's-eye. >> this is a classic severe setup. you have this dip in the jet stream that's going to dig into the central plains. as it does so, it changes the winds at different levels in the atmosphere. this causes significant large tornadoes and very large hail. >> reporter: a dangerous night ahead for tens of millions in the plains. tonight here in oklahoma city, where it is warm and hu'id, the skies are getting darker, and the wind speeds are picking up. supercells have been spotted on the radar. photographers say forecasters say it will get sporty all across this region. lester? >> all right, miguel almaguer, thank you. it is a big night in the race for president. donald trump aiming for a sweep of cruz and kasich in five

tonight, hoping to deal another big blow to the so-called stop trump movement. there's drama with the democrats with a report that bernie to reassess his campaign strategy. and the campaign pushing back. we've got it all covered as we await the poll closings, starting with nbc's katy tur at trump tower. katy, what's the mood there? >> reporter: good evening, lester. a senior source tells me if all goes as planned, by next week the trump campaign will be running a general election campaign regardless of whether ted cruz or john kasich are still in this race. but first, they have to get through tonight. and expectations are high. donald trump racing up the i-95 corridor, his sights on the general election. he's about to get closer, expected to sweep all five states voting tonight. but the biggest prize? 54 party activists in pennsylvania, chosen about i voters today to be the state's free agents at the gop convention. >> you have to get your beautiful

have to vote for your delegates. the delegates. it's crazy. >> reporter: unbound delegates who can vote for whichever candidate they want and change their mind whenever they want, regardless of how their district votes. they are 54 highly coveted and potentially crucial votes that could decide who gets the nomination. are these are go of them. >> there's a definitely possibility that i'll make a decision for the nomination. >> it's not about power. trerinying to make the right decision. >> reporter: if trump runs the table tonight and then wins in indiana next week, his path to 1,237 gets a lot easier. which is why ted cruz and john kasich are teaming up in indiana, kasich leaving the state to bolster cruz. but the pair fumbling their alliance about as quickly as they formed it. >> the people in indiana who are watching this program right now, your message come primary day there is to vote for --

matt. things are not so plain and simple. i don't tell my voters what to do. first of all, i don't have voters. >> reporter: that strategy not going over well with kasich supporters. >> i don't think we care for trump, but i don't care for the game either. >> reporter: katy tur, nbc news, new york. >> there is andrea mitchell, anticipating big wins tonight, hillary clinton already in indiana, turning her attention to donald trump. >> i'm just bewildered when i hear the republican front-runner, donald trump, actually say that wages are too high in america. >> reporter: but bernie sanders' campaign is not letting up. jane sanders quickly rebutting a "new york times" report, quoting a senior adviser saying they will reassess strategy after tonight. >> we're not talking about reassessing anything. >> reporter: and bernie sanders emphasizing to me he's not going anywhere. >> we're in this race until the last vote is cast. >> reporter: even e-mailing a fund-raising appeal,

all smiles with the trumps at their wedding. >> i am winning. if you're ahead in the vote -- >> i am ahead in the vote. i am winning. >> reporter: but sanders is hearing a different message. >> i voted for you. >> thank you very much. i got at least one vote, right? >> reporter: hillary clinton said i'm winning. >> well, i think you've got to count the votes before you make that declaration. >> a little too overconfident? >> a little too over. there are five contests today. we think we're going to do just fine. >> reporter: and donald trump trying to make trouble for the democrats tweeting that sanders has been treated badly and he should run as an independent. the sanders campaign saying that's not going to happen. he's going to support the nominee. hillary clinton still in indiana, but heading this way for what she hopes will be a victory celebration. critical new clues coming to light in the

of eight family members in rural ohio. as the urgent manhunt continues for a fifth night, officials reveal that some of the victims showed signs of a struggle before they were killed. nbc's gabe gutierrez has the latest. >> reporter: with investigators from across the state working around the clock, tonight preliminary autopsy results are shedding new light on the brutality of this stunning murders that have shaken pike county, ohio. one of the eight victims shot nine times, two victims shot five times. only one was shot once. some showed signs of bruising indicating a struggle. >> i think we're likely looking at multiple shooters based on a variety of issues here. multiple shots indicates somebody who's angry, somebody perhaps with a score to settle. >> reporter: the motive still a mystery, but a law enforcement official tells nbc news the size of marijuana grows found at three of the four crime scenes suggest they were not for personal use. in another twist, the

office con firms investigators have found cages consistent with rooster breeding and possible cock fighting. samantha is mourning 16-year-old christopher rhoden jr. >> i don't know what chris could have done. he never deserved this. >> reporter: at the pizza parlor, another victim, dana, used to visit with her children. >> i'll really miss dana. >> reporter: owner sally mcdonald has started a memorial fund to help pay for at least some of the eight funerals. >> it breaks my heart. something, you know, something like this, just doesn't happen in our community. >> reporter: tonight authorities won't say whether they have any suspects, but are cautioning that the largest murder investigation in recent memory will be lengthy. there's a new twist following the sudden death of prince. his sister says prince had no will, and now there could be a battle brewing over his giant fortune, and

music catalog. nbc's joe fryer with new details. >> reporter: five days after prince's death, a mystery now hangs over his estate. in court papers filad today, his sister says, i do not know of the existence of a will. prince had no wife or children, and both parents have died. so if he had no will, under minnesota law his siblings are next in line. >> it will be divided into as many shares as there are siblings, half or full. >> reporter: his only full-blooded sibling, but he also had half siblings still alive. two other half siblings passed away. tykea was also a musician and one of her publicists said she and prince spoke publicly, but made a pact not to bother each other when it came to their careers. no details on the values of prince's assets. his worth is put at $300 million. >> it is surprising that somebody with that large of an estate does not have a plan.

wondering what the future holds for prince's home and studio paisley park. friends say he wanted it to become a museum foonr fans. musicians who work with prince believe he also had a lot of unheard music locked in a vault. >> probably 70% of the orchestral backgrounds that we provided for prince are on songs that remain unreleased to this day. >> reporter: for now, prince's sister is asking the court to appoint someone to oversee the estate while things are sorted out. prince's reps have not commented on today's court filing. jokne fryer, nbc news, minnesota. nearly seven months after the cargo ship el faro was lost in a hurricane at sea, the ntsb said they found the data recorder 15,000 feet below the surface. tom costello reports investigators are hoping this discovery could fill in some critical blanks about a risky voyage. >> reporter: there on the ocean floor, el faro's missing data recorder.

wreckage 41 miles northeast of the bahamas. el farrow was sailing in a tropical storm when it suddenly lost power. dead in the water as the tropical storm turned into hurricane joaquin. >> el farro had taken on water, and was listing at 15 degrees. >> reporter: over six days of searching, teams found debris floating on the surface, but none of the 33 crew members survived. meanwhile, in jacksonville last october, outraged that the crew ever left port in the face of a monster storm. >> you have got to be kidding. you on a suicide mission. you never should sail through those waters, period. >> reporter: a month later using underwater cameras, the wreckage was finally confirmed in 15,000 feet of water, three miles down. the ship's owner tote marine said it would never endanger a crew to meet a schedule. but tote is now facing multiple lawsuits from family members. the next step for recovery teams actually bringing the data recorder to the surface.

a basketball, capable of recording conversations on the ship's bridge. conversations that could provide clues into the sequence of events that led to elfarrow sinking. apple reported today its first decline in quarter lerl sales in over a decade. because of a slump in iphone sales. though it snapped 13 years of continuous quarterly growth, apple still remains a major force. still ahead tonight, treating children with adhd. millions are diagnosed, but now experts are telling parents there may be a much more effective approach. we'll tell you about it. also, kelly ripa returns to tv after days of controversy, and s it takes a lot of work... to run this business. but i really love it. i'm on the move all day long... and sometimes, i just don't eat the way i should. so i drink boost to get the

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there's important news for parents of children diagnosed with adhd. a new study found that kids who receive belkhavioral therapy before medication fared much better in their development. as nbc's kristen dahlgren tells us, doctors say this could mean big changes for the way adhd is treated in this country. >> reporter: from the beginning, 6-year-old christian had energy to spare. >> he was almost like a whirlwind. >> repreorter: which wasn't easy on the parents. >> it was always yelling, yelling at

us, us yelling at each other. >> reporter: when it started causing problems in school, christian was diagnosed with attention deficit hyperactivity disorder, or adhd, usually treated first with medication. >> i really felt like it was no way i was going to put my son on medication. >> reporter: his therapist recommended starting with behavioral therapy. >> instead of focused on stop, christian, stop doing that, you're looking for him to catch him being good. >> reporter: a new approach meant for pre and elementary school age children includes praising the child for things like being polite, following directions, and controlling their body. >> high five. >> reporter: maybe dozens of times an hour. >> good job. >> he was pretty much life changing. >> do you like school, or no. >> yeah. >> reporter: new research agrees. in a study that's the first to show the order of treatment matters. children who began with behavioral mod modification did better than those started on medication. >> you see a quick turn-around in the climate of the

the parents and the child. >> reporter: which leaves behind the purely biological symptoms of adhd. after a few months, christian's family did add medication. the teacher said the combo has been remarkable. >> since hoe started this, he has moved up three reading levels. he's made tremendous progress. >> reporter: success for a family that once saw that as a long shot. kristen dahlgren, nbc news, new jersey. there's more ahead here tonight. move over baby boomers. when my doctor told me i have age-related macular degeneration, amd we came up with a plan to help reduce my risk of progression. and everywhere i look... ba i'm reminded to stick to my plan. including preservision areds 2. my doctor said preservision areds 2 has the exact nutrient formula that the national eye institute recommends to help reduce the risk of progression of moderate to advanced amd... after 15 years of clinical studies. preservision areds 2.

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we're back with the daytime drama that has fans live with kelly and michael blue. several days off the air following the revelation her co-host would be leaving and questions how she was informed. her comments about all of it today have a lot of people talking about respect in the workplace. nbc's cynthia mcfadden has more. >> reporter: as workplace throwdowns

>> guys, guys, guys, our long national nightmare is over. >> here are kelly ripa and michael strahan! >> reporter: kelly ripa was back on the air today. >> my dad who was a bus driver for 30 years thinks we're all crazy. and i think he's right. >> reporter: at issue, ripa said she was blindsided by abc executives who told her only moments before making it public that her co-host, michael strahan, was moving to "good morning america." >> i'll be completely honest. i'm fairly certain there are trained snipers with tranquilizer darts in case i go too far off message. i needed a couple of days to gather my thoughts after 26 years with this company. i earn the right. >> reporter: her relationship with strahan salvaged at least on camera. though today the network announced strahan would leave the show in two weeks. not in the fall as

she said network executives apologized to her for bungling the process. she made no apology for missing work. >> and let's be honest, i know half of you called in sick to be here, so we get each other. >> reporter: her humor did not diminish her message. >> started a much greater conversation about communication, and consideration, and most importantly, respect in the workplace. >> reporter: the tiny woman with the big paycheck said what people in all kinds of workplaces would like to say. cynthia mcfadden, nbc news, new york. here come the millennials. they're taking over according to the folks at pew, based on population estimates, there are now 75.4 million millennials in the u.s. now the largest generation in our country. dog owners, you may love hugging your canine, but science

a new study examined hundreds of images and found eight in ten dogs showed signs of stress when they're hugged. they apparently turn their heads away or lower their ears when hugged. if you want to show some love, a pat on the head or a treat are recommended instead. they do look huggable, don't they. a yogurt empire made billions. now a ceo is surprising all his i'm billy, rand i quit smoking with chantix. i had a lot of doubts going in. i was a smoker. hands down, it was, that's who i was. after one week of chantix, i knew i could quit. along with support, chantix (varenicline) is proven to help people quit smoking. chantix definitely helped reduce my urge to smoke. some people had changes in behavior, thinking or mood, hostility, agitation, depressed mood and suicidal thoughts or actions while taking or after stopping chantix. some had seizures while taking chantix. if you have any of these, stop chantix and call your doctor right away. tell your doctor about any history of mental health problems, which could get worse or of seizures. don't take chantix if you've had a serious allergic

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finally tonight, a big surprise for a brand many americans love. chibanti yogurt became a multibillion dollar sensation. we were can there exclusively today when the ceo gave a gift that is turning employees into owners, and a few future millionaires. harry smith has tonight's making a difference. >> reporter: in the modern workplace, hugging the boss may not be the first instinct of many employees. >> oh, my god! >> reporter: but there were hugs aplenty this morning at the chibanti yogurt plant in upstate new york. >> we used to work together. now we are partners. >> reporter: real

financial partners. he's giving his employees a 10% stake in the company, when it goes public or is sold. it's a windfall that could be worth hundreds of thousands of dollars, each. >> that's amazing. amazing. who does that? >> completely unexpected. i think that everyone is so excited. >> reporter: that's two plants and more than 2,000 employees, a move more silicon valley than upstate new york. why do this? >> you know, it's been my dream. i like to give back to them and say, you and this community and this country has been i'd like to return that favor back to you. >> reporter: the success of chibani can only happen in america, an immigrant from turkey who started with nothing. >> you can always tell yourself, i'm going to do this. but truly believing in it is a miracle.

miracle is that they all believe. terri edmonds is employee number six. >> i think about how little we started, and how hard all these people worked. to bring this to what we have. i'm very proud. >> reporter: the money means a lot, say these folks, but being appreciated means even more. harry smith, nbc news, new berlin, new york. that will do it for us on a tuesday night. i'm lester holt. for all of us at nbc news, thank you for

night. kelly ripa under siege on her big return to "live." holding hands with michael strahan, taking aim at abc. >> respect in the workplace. >> now on "extra." kelly ripa mobbed outside her new york townhouse. >> what are the first words you're going to say to michael,