rubio going after trump. and chris christie tonight, now saying it's time for president trump. breaking news, the motive in the deadly rampage. the video now discovered,,nd the notice the gunman g g 90 minutes b bore the shootings. the new head line about the zika outbreak, and pregnant women in the u.s. the miscarriages as well. and the sudden explosion. the little girl grabbing her bag when a hoverboard ignites. the home catching fire. and the countdown is on. the oscars. is this matt damon's year for the oscar? he's right here tonight. good evening. it's great to have you with us on a friday night. we have breaking developments in

turn in the race for president tonight. marco rubio and donald trump attacks. worse than last night, if that's possible to imagine. and donald trump unveiling his newest weapon, chris christie, and the surpriri endorsement. trump taking incoming fire from both sides. but ahead in nearly every state on super tuesday. here's jonathan karl with the new fight playing out tonight. >> reporter: his biggest endorsement yet. chris christie. >> i can guarantee you the o o person that hillary and bill clinton do not want to see on the stage come next september is donald trump. they know how to run the

them around the block. they do not know the playbook with donald trump because he is rewriting the playbook. >> reporter: christie is also the guy who pummeled marco rubio in the abc news new hampshire debate and today he called rubio's new tough tone desperate. >> desperate people in campaigns do desperate things, flailing punches in the last days of a losing campaign. there is no better fighter than donald truru. >> reporter: but it sure looked like rubio had trump on the ropes last night, mocking him for repeating simple talking >> we should have gotten rid of the lines. wehould have gotten rid of the lines around the states. we have to get rid of the lines around the states. >> now he's repeating himself. i watched him repeat himself five times four weeks ago -- sounded like an entirely new candidate, launching trumplike attacks against trump. >> last night in the debate during one of ththbreaks, two of the breaea, went backstage, he was hing a meltdown. first, he had this little makeup

around his mustache, because he had one of those sweat mustaches. then, then he asked for a full-length mirror. i don't know why because the podium goes up to here, but he wanted a full-length mirror. maybe to make sure his pants weren't wet. i don't know. >> reporter: we asked trump about that. he actually suggested you were sweating backstage, that you seemed -- >> i'll tell you about backstage if you would like. i walked back there. he is with a pile of makeup, putting it on his face. i said, marco, easy with the makeup. you don't need tt much. i heard he had some nasty personal comments. he was putting it on with a trowel. >> reporter: later, trump performed an odd impression of that infamous moment when rubio reached for his water bottle on national television. >> it's rubio! >> reporter: rubio clearly incucued the wrath of trump after ripping into him on that debate stage. >> you're only person on this stage that's ever been fined for hiring people to work on your projects illegally. you hired some workers from poland. >> no, i'm the only one at this

you haven't hired anybody. in fact, some of the people -- >> and by the way -- i've hired -- >> and by the way -- i've hired tens of thousands of people over my job. you've hired nobody. you've had nothing but problems with your credit cards, et cetera. >> reporter: ted cruz chimed in too. >> when i was leading the fight against the gang of eight amnesty bill, where was donald? he was firing dennis rodman on "celebrity apprentice." >> reporter: prompting dennis rodman to tweet, "s, ted cruz. donald trump did fire me on he's about to fire your cruz got under trump's skin. >> relax. >> i'm relaxed. >> you're the basket case. >> go ahead. >> donald there's nothing about >> reporter: but tonight it's clear. the race is now a battle between donald trump and a newly aggressive marco r rio.

off so that people can see what we're dealing with here. what we're dealing with here, my friends, is a con artist. >> the whiplash today, jon with us live from texas. you heard what we said at the top, where were the attacks months ago? is the 11th hour, right before super tuesday, too late? >> that's one of the biggest questions for the entire campaign. for months, rubio didn't lay a glove on trump. with super tuesday four days away, it may be too late. and now to the democratic side, four days until super tuesday. and south carolina tomorrow. hillary clinton there today, bernie sanders returning tomorrow.

clinton with a near-30-point gain. here's what they said. >> reporter: in their final push in south carolina -- tonight, bernie sanders and hillary clinton nearly coming face-to-face. >> hello, south carolina state! >> reporter: both visiting historically black colleges right next to each other. this is the line for people waiting to see hillary clinton. on these campuses, many young voters are split. there's a big line waiting here to see bernie sanders, too. what is it about bernie sanders? >> he's consistent. >> reporter: hillary is not? >> no. >> reporter: clinton hoping a momentum from a big win in south

super r esday. this week. while sanders is looking ahead, visiting eight other states for super tuesday and beyond. this morning in minnesota, sanders turning up the attacks. >> because maybe what you said behind closed doors is a little bit than what you're saying to the american people. i would hope she would do that. >> how are you? >> reporter: but clinton, pouring on the southern charm.m. unexpectedly crashing this bachelor party. >> cecilia vega with us. after that republican brawl last night, hillary clinton saying she thinks it's going to be trump? >> she sure did, and already fund raising offf a possible trump nomination.

he won't become president. she says he's no joke. >> thank you. and super tuesday, special editions of "good morning america," and we'll be on the air beginning 10:00 p.m. eastern, super tuesday. and to the other developing story this friday night, the workplace shooting in kansas. the gunman's own video on his facebook page, showing an automatic weapon. the terror at the factory, three killed, more than a dozen hurt. and that could have been much higher if not for a hero police officer, the first on the scene. here's clayton sandell. >> reporter: in this clip posted to facebook last september, 38-year-old cedric ford is firing an ak-style rifle. the same type sources say he used to gun down his co-workers late yesterday at this kansas

it b ban at 4:57 p.m. police getting calls about a gunman randomly shootibg a driver in the shoulder. not far away, shooting anotherl stealing his car. by 5:04 p.m. he is pulling onto the excel lot six miles away, shooting one person outside. inside, fourteen more. >> people are getting pushed, trampled. it was just, everyone was trying to get out of the shooting, >> reporter: three excel employees are killed. renee benjamin, brian sadowsky and josh higbee. at 5:06, the first help arrives. its heston's police chf doug schroeder, racing inside to confront ford in a one-on-one gun battle. by 5:24, the shootout is over. ford is dead. sergeant chris carter says what his boss did saved a lot of lives. >> if there's gunfire, we go to the gunfire. if you're by yourself, you're by yourself.

gunfire? >> we will run towowds it. >> reporter: police say just 90 minutes before the rampage, ford was served at work with a court order to stay away from an ex-girlfriend who alleges he was violently abusive. she wrote, "he is in desperate need of medical and psychological help." >> reporter: today, the president made yet another call to a mourning community. >> the real tragedy is the degree to which this has become routine. >> reporter: night -- right now, the factory is still shut down for the investigation. and saying the police chief is a hero. >> clayton, thank you. now to breaking developments overseas tonight. a cease fire in syria, brokered by the u.s. and russia, taking effect just a short time ago.

strikes in the hours before. alex marquardt, from damascus. >> reporter: bombs pounded rebel areas today, just hours before the ceasefire agreement went into effect. here in syria, there is little hope it will succeed. are you optimistic? >> not really. >> reporter: everyone agrees isis and al qaeda will still be targets for all sides. but here's the problem. the syrian regime and their russian backers see almost all rebels see as terrorists. meaning that only tiny pockets of syrian that could be spared more bombing. caught in the middle, civilians. aid agencies hoping some peace will let them deliver much-needed aid to besieged areas. david, these next few days are a critical test after five years of war. this temporary ceasefire, if it can hold, could pave the way for new peace talks in the next two weeks. david? >> alex, thank you. next, back here at home, to the new headline this evening on the zika virus and pregnant

the cdc revealing what's happened to nine women infected overseas. it's sobering. two with miscarriages two chose abortions due to severe damage. and two have been born healthy. and dr. besser with much more. this report was concncerning. it is. and adds more evidenen that zika may y causing these problems. ththe were all women whohoad symptoms o ozika. it doesn't tell us what part of pregnancy could be the most dangerous. >> and a new focus on the olympics?

avoid sexual transnsssion for the entire pregnancy. next to the alarming headline from michigan, the stunning allegations in flint. the water crisis there. showing lawyers urged them to stopsing the water months. one of them calling the river downright scary. it was not switched for another year. nex to the lawsuit over invasion of privacy brougug by erin andrews. suing a stalker and the hotel who booked him in a room next to hers. the video seen nearly 17 million times. here's linsey davis. >> reporter: all eyes will be on erin andrews monday as the sportscaster and "dancing with the stars" co-host is expected to take the witness stand in her $75 million civil trial against a nashville marriott hotel. her testimony comes after the

case were played for the jury. deos taken by her ststker, michael david barrett, who used his cell phone to record her in her hotel room while she was changing through an altered peephole. an emotional andrews left the courtroom as jurors watched the video, which is estimated to have been viewed nearly 17 million times. >> i know of no way to get it off. and doing continued research, people are still posting the video online. >> reporter: andrews is now suing him and the owners and managers of this nashville marriott claiming the hotel intentionally placed barrett next door to the tv star and failed to notice he removed and altered the peephole on her door. the hotel claims barrett is a criminal who tricked them into gaining access. jurors will see barret's deposition by videotape next week. david? >> thank you.

ahead on "world news tonight" this friday. what caused this huge plosion in the kitchen in a family home? and the "real money" team is back. major savings, including the department store offering one-cent deals. and the big question, is this the year for matt damon and the best actor? right here with robin roberts, as we continue tonight. what if one sit-up could prevent heart disease? one. wishful thinking, , ght? t there is one step you can take to help prevent another serious disease. pneumococcal pneumonia. if you are 50 or older, one dose of the prevnar 13 vaccine can help protect you from pneumococcal pumonia, an illness that can cause coughing, chest pain, difficulty breathing, and may even put you in the hospital. even if you have already been vaccinated with another pneumonia vaccine, prevnar 13 may help provide additional protection. prevnar 13 is used in adults 50 a older to help prevent infections from 13 strains of the bacteria that cause

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visit our website for savings on larger size. to the "index" of other news toninit. starting with a dangerous fire sparked by a hoverboard. this video captured on a home security camera. the fireball, when the hoverboard batteries explode. ge flames ripping through the home, north of chicago. and look at this. a little girl got out just moments bef the explosion. she's in the corner of the screen. next, a follow-up on a story we told you about last night. the u.s. airways aborted take-off in philadelphia. it happened two years ago. officialnow say the cause wawa pilot error, not a blown tire. the e ane slammed into the runway. passengers quickly evacuated. and tonight, new video released of the moment the plane touched down, collapsing the landing gear, skidding off the runway. two people were injured. and a passing to note tonight. hollywood remembering "rocky"

the actor and boxer who appeared alongside stallone "rocky" films has died. tony burton was 78. when we come back, matt damon is here. will this be his yearr to w w bebe actor? what he has to say. our countdown to the oscars, when we come back. every day you ad headlines about businesses being hacked and intellectual property being stolen. that is cyber-crime and it affects each and every one of us. microsoft created the digital crimes unit to fight cyber-crime. we use the microsoft cloud to visualize inrmation so we can track down the criminals. when it comes to the cloud, trust and security are paramount. 're building what we learn back into the cloud make people and ganizations safer. if you could see your cough, it's just a cough. you'd see how often you cough all day

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here's robin roberts. >> reporter: a $600 million blockbuster that struck an emotional chord around the world. intensely personal story. a challenge. had it not been for ridley, i wouldn't have done it. >> reporter: and ridley was with him every step of the way. >> we knew we needed a moment where his armor cracks. >> about two minutes left. how you doing? >> i'm good. >> as we started to do the tricky. he put the sound of the other actors inside my helmet. it s suck me, it was the first time i had heard anybody's voice in two years. >> go. >> pilot. >> go.

i said, no, that s perfect. >> i just went, it surprised me. i don't think it surprised rid ridley ridley. >> and robin's journ to the i hope to see you monday. good night.sun is shining on the port neal welding from the ho chunk centre in downtown sioux city. local temperatures are in the 30s and 40s with 50s south and west. the planner shows a nice evening ahead. the temperature will be 33 at 10 pm, 30 at 2 am and 27 at 6 am, all with clear skies. i'll be back in a few minutes with a look at a record high tomorrow! it's time for local news that matters!

jenna: good evening and thank you for joining us tonight im jenna rehnstrom tim and im tim seaman. tim: a bill to aid terminally ill pateints passed in the iowa senate on tuesday and is now aded to the iowa house. jenna: the bill called,..."the right to try" advocates for manufacturers toprovide investstational drugug biological products or devices to be made available to patients with a terminal illness,..provided they receive a written form of consent from the patient beforehand. tim: these experimental treatments are not yet approved by the f-d-a and are only permitted to be used by the terminally ill...but the hope of extending one's life, even for a something many are willing to chance. bertrand lead to bill saying this would provide iowans suffering from a terminal illness the oprtunity to

overall helpfuture patients. " it gives patients in the sunset of their treatments another oppertunity. i mean is this a cure-all drug? no. is it an extension of life-type oppertunity? yes. another year, maybe another three to five yrs to extend your life. it gives people hope. " tim: the right to try bill along with a companion bill were passed by the senate in a unanimous 50-0 vote before being sent for final approval to the iowa house. jenna: iowa lawmakers are inching closer to big changes for families who have autism. a bill has been passed in the senate that would require insurance companies cover autism treatment. rick bertrand voted "yes" and has been supportive of the efforts. senator rick bertrand, sioux city, says, " " the bill now moves on to the