>> we want trump! >> reporter: fist fights a police officer seen bloodied. today trump didn't back down. >> some represented bernie our communist friend. organized professionally staged wise guys. we goto fight back. >> reporter: the tensions simmering for months have reached a boiling point. the rhetoric increasingly % violent. the candidate, sometimes egging on supporters. protesters. face. i tell ya. knock the crap out of him. seriously. >> d@nald trump has created a toxic environment. and a toxic environment has allowed his spotters and those who sometimes who seek confrontation to come together in violence. >> reporter: today, marco rubio was asked if he still support >> i don't know. it's getting harder every day. >> reporter: here in kansas city, missouri, another big trump rally planned. heavy security inside the venue right now. all calm so far. but outside, the trurump supporters and the trump haters are taunting each other. cecilia. >> okay, david, hung the. this weekend is crucial in the racac for the white house. just three days until major primaries. here tas map, take a look. voters heado the polls in five states. hundreds of delegates at stake. tuesday is a make or break day for many of these candidates. hillary clinton fighting to keep her lead. tonight, both candidates leveling harsh attttks at donald trump. clinton calling his rhetoric, political arson. here's abc's mary bruce with clinton tonight. >> reporter: after the eruption of violence in chicago, tonight, the democratic canandates in agreement. accusing donald trump of playing >> the ugly divisive rhetoric we are hearing from donond trump is not only wrong it's dangerous. if you play with matches, you can start a fire you can't control. that's not leadership. it is political arson. >> bernie sanders is defending his backers seen ininhose crowds. >> when our supporters are doing is responding to a candidate who has in fact in many ways encouraged violence. >> reporter: but that's where their agreement ends. courting voters in chicago, sanders went after embattled chicago mayor rahmemanuel. >> i think he has done a very bad job. >> reporter: the candidates are making an all-push. sanders is spending big in the midwest, especially in ohio where he's hoping to pull off >> ohio has the opportunity to lead this country forward. >> reporter: clinton is feeling confident in florida where she has a double-digit lead in several polls. >> thank you so much, tampa! and mary joins us now. all eyes on ohio before tuesday's primary and now a judge has ruled that some 17-year-olds will be able to cast a vote, so, mary s the bernie sanders' team hoping this gives them a leg up. >> absolutely, cecilia, 17-year-olds here in ohio will be able to vote in tuday's primary, so long they're 18 come the general election come november. this is a big win for bernie sanders who has so far had young support. we want to move on to historic flooding along the gulf. tonight, flash flood watches and warnings in six states and the rivers are still on the rise. in texas, take a look at this, the sabine river cresting. . boats will still taking people from their flooded holmes today. across the gulf, thousands of families forced to evacuat and abc's phillip mena was there. >> reporter: tonight the race to shore-up the banks of those rising rivers. from louisiana to tennessee. water upp to 2 feet in some parts. more than a thousand homes flooded and more now threatened. the national guard crews rescuing nearly 2100 people over 5 days. hundreds of family pets scooped up, too. hehe in covington, louisiana, he showed us where the water rushed into his home. they scrambled to save what they could before it was all ruined. >> this is about wherere it was. so, fortunately, that's the size- i'm sure it did a lot worse. >> reporter: down the street, robin and her husband caught went from the ditch to into your house in 20 minutes. >> 20 minutes. >> reporter: you didn't have time to throw sandbags in front of your door tonight the fire department is using trucks like that one and boats. it started around noon today and the rescues haven't't stopped. theye right to pull those still trapped inside their flooded homes to safety. >> phillip, thank you. abc meteorologist indra petersonon joins us now. >> only the middle of march, in places like she reeveport, louisiana, setting records. we have that threat for river flooding for the next several days. to make matters worst, the threat of severe weather through sunday. threat of or the fay dose right in that same region. toward the west coast, a series of storms continues ro make their way through. powerful system making its way the ground there is saturated. good >> thank you. we turn to new york's hudson river now, deadly crash on the water. the search still on tonight for two missing crew members. a barge and a tugboatolliding. one bridge worker did not make it. and to a@deadly crash in the west. police investigating what may be a drag race gone wrong. this fireball captured from the skies near seattle. three people injured in the middle of the night. the street in renton notorious fo drag races, that's what the police say. an overnight riot has a prison sti on lockdown. pictures taken by inmates. officials say the inmates started the fire and stand their warden and a correction officer during the unrest we also have breaking news from new mexico tonight the man hunt for two escaped convicts is late today the second inmate was captured. this man convicted of this armed robbery that endedn a shootout with poli. tonight both he and his accomplice are now in custody. and the investigation into how they got away. here's abc's ron claiborne. >> reporter: tonight, lionel clauw w custody. >> he literally stepped out the front door, came out and surrendered. he didn't want anybo else to get hurt. >> reporter: they fled wednesday while being transported between prisons. they have been handcuffed and shackled. >> how did you get out of your shackl. >> i picked it. >> reporter: hours after the escape, the two were video taped crews said they had no outside help. officials said they don't believe that. of crews was convicted of a drug-related murder. authorities in new mexico say the circumstances of that double esca is in their words is suicious. possibility of someone from the outside may have helped those two prisoners get away. and the possibility of someone from the inside may have helped them. >> thank you, ron. we want to turn overseas to a dramatic air lift involving wild elephants. pulling off a secret rescue. now the debate over the animalses transfer intensifying tonight. abc's eva pilgrim with the details zblrs 17 elephants fighting to survive a severe u.s. a life-saving mission is now a international misspion. they placed the 10,000 pound elephantss on big riggs. >> been long, trying time to get them here. and i'm confident in saying that if we didn't move these animals here they would notot be alive. >> reporter: it almost didn't happen. an animal rights group asking the court to stop the move but the judge siding with t he zoos. the animal rights group saying they had a safe location and money ready to care for the el fans in thehe wild. instead the zoo secretly shipped them to the u.s. robbing them of their freedom. night, zoo officials standing firm, saving the animal. >> we were committed to bringing these animals heree as quick as possible. >> reporter: already tonight, their new caretakers posting pictures of them eating and are doing well. we want to turn now to buzzer-beater we can't stopwatching here. less than a second to go on the clock. uconn and cincinnati and thatt prayer right there from half court, march madness bring it on. here's abc's gloria rif area ya with the shot that will go down in history. >> reporter: the game-winning layup was denied as the huskies refused to lose. in the first overtime the bearcats, again, missing another chance to finish it. cincinnati looking strong in triple overtime. with less than a second to go. boom, kevin johnson hits a three-pointer to seemingly seal the win. >> johnson has hit two. >> reporter: then jalen ads. just watch. >> oh,y goodness i'm so happy that shot went in. >> reporter: a 62-foot jumper, the freshman guard not even a great three-point shooter this season. but that s st forced a quadruple overtime. the huskies rolled in the fourth overtime. keeping hopes alive they'll have a spot in the tournament. >> what a shot. and still ahead on "world news tonight" thisaturday -- caught on camera. airport workers helping themselves to your luggage. the warning for anyone packing for a trip and she was a real hit at 106 years old. kickinin up her heels at the white house, how the birthday girl is celebrarang tonight at 107. can you guess the sg she wants to dance to? this just got interesting. why pause to take a pill? or stop to find a bathroom? cialis for daily use is approved to treat 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daniel diaz acts as a lookout. the female worker unaware as he crawls behind the conveyor belt to conceal a laptop. both men arrested, pleading no contest to the charges. this is far from an isolated incident. in 2014, baggage handlers in los angeles taken away in handcuffs after police claim they stole electronics jewelry. while locks and plastic wrap may not beuch of a deter rent to ways to avoid becoming a victim. keep valuables and medications with you when you travel. >> if you travel with expensive luggage it's probably the one piece of luggage that's going to be targeted more than anything else. >> reporter: also, take a photo of your bag after it's packed and before it's zipped. that way if you have to you can prove what's in there. if you do notice something missing, c!ll police and file a report right away. cecilia. >> thank you, marci. still much more ahead on "world news tonight." when we koll back, when things go very, very wrong at work, about 17 floors high, inhe windy 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now and tragedy on the iditarod trail. officials at that alaska race, a man apparently rammed his snowmobile into two of the dog teams, killing this dog nash. a 26-year-old man is claiming responsibility tonight. saying he was drunk and now late word of an arrest. the teams involved, though vowing to continue on. to those heart-stopping moments above the windy sty, a quiet day at work turned stranded on the scaffoldidi on a chicago high rise. good news, those window washers are back on solid ground tonight. and to a big celebration now, you'll remember of course virginia mclaurin and her recend visit to the white house. dancing in pure delight at meeting the president and the first lady. >> i am so happy. . >> we loved that so much. virginia was just a kid back then at 106. today is her 107th birthday and the music she says she wants to dance to on this big day -- well, some james brown, of course. before we wind things up tonight, though, a pop quiz, those clocks forward or backward. one thing is sure -- >> okay, i'm losing an hourr of i'm kidding. ya know, viagra helps guys with erectile dysfunction get and keep an erection. talk to your doctor about viagra. ask your doctotoif your heart is healthy enough for sex. do not take viagra if you take nitrates for chest pain or adempas for pulmonary hypertension. your blood pressure could drop to an unsafe level. to avoid long-term injuru, seek immediate medical help for an erection lasting more than four hours. hureds of delegates at stake. stop taking viagra and call your doctor right away if you experience a sudden decrease or loss in vision or hearing. i use what's already inside me to reach my goals. so i liked when my doctor told me i may reach my blood sugagaand a1c goals by activating what's within me. with once-weekly trulicity. trulicity is not insulin. it helps activate my body to do what it's supposed to do release its own insulin. trulicity responds when my blood sugar rises.. i take it once a week, and it 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backwards. >> up, i think backwards. >> reporter: the answer is that the clock moves forward tonight, one hour. which is the hour of sleep you're going to miss. unless of courseseou live in arizona or hawaii where daylight saving is not observed. lawmakers in some states california, alaska and rhode island arelooking to opt out of the twice a year time shift. those summer. that wasonsidered a waste of resource. >> reporter: duringorld war i and ii the u.s. went to daylight saving time full time. no save energy. people drive even more when it's lighter later and some say there are potential health drawbacks. an association between tonight's lost hour of sleep and the jump in heart attacks a day later. still it's how we live, most of us. >> i like the fact that it will be lighter later. >> reporter: your phone will have the right time on it tomorrow morning. just keep it charged. john donvan, abc news, washington. >> change those clocks tonight. "good morning america" and "this week" in the morning. i'm cecilia in new york. good night. [ applause ] wheel... of... fortune! ladies and gentlemen, here are the stars of america's game -- pat sajak and vanna white. pat: thank you so much! thank you, jim. appreciate that. have a wonderful time at the puzzle board. give my best to the letters. hi. good to see you all. get ready. it's "toss up" time at the old corral. our first "toss up" is a "phrase." it's worth $1,000, and here we go. [ bell chimes ] janet. yeah, that's it. you got $1,000. [ applause ] janet schafer. kent, washington. yes, sir. you work at a call center. you help people when they have problems? i help people make and cancel airline reservations. oh, okay. well, good. that's important work, actually. what do you like to do when you're nothard at work with that? i love digging in the dirt in my backyard. i have 17 different varietees of dahlias and roses and flowers specifically to attract hummingbirds so i can take photos of the hummingbird you take photos of hummingbirds? and their wings move very fast. so you have to use fast film? every once in a while, i catch them in stop action. yeah, all right. well, that's good. this is my impression of a hummingbird. it's a good one. i may take that on the road. look like i have some affliction. nice to have you here, janet. thank you. alic, how are you? i am well. how are you? good. thanks. alicia french from antelope, calornia. and tell us what you do. you work up at the state senate? i do -- i work at the state capitol for the california state senate in the sergeant at arms office.