Developments in the race for 2016. Donald trump saying he will not show up at the fox news debate and just moments ago, revealing what he will do instead. Trump announcing he will hold his own event for veterans. Members of trumps family will be attending with him. All of this comes after his heated feud with fox news and moderator megyn kelly. Shes now saying tonight. Evening, will this help him, could it hurt him among iowa voters . A new poll out tonight shows trump in the lead in iowa. Abcs tom llamas leading us off from the campaign trail. Reporter tonight, donald trump in full renegade mode. Predicting without him, no one will watch tomorrows debate on fox news. They cant toy with me like they toy with everybody else. Reporter part of trumps problem . Fox anchor and debate moderator, megyn kelly. Im not a fan of megyn kelly. I think shes a thirdrate reporter. I think she, frankly, is not good at what she does, and i reporter their bad blood started with this question at the first debate. Youve called women you dont like fat pigs, dogs, slobs and disgusting animals. Your twitter account only rosie odonnell. No, it wasnt. For the record. It was well beyond rosie odonnell. Yes, im sure it was. Reporter as tomorrows he might not go. Do you really think she can be fair at a debate . Reporter fox news responded with this snarky statement we learned from a secret back channel that the ayatollah and putin both intend to treat donald trump unfairly. Trump has his own secret plan to replace the cabinet with his twitter followers. Just hours later, at a news conference, trumps fury in full frame. The gop frontrunner, eviscerat her boss, roger ailes. When they sent out the wise guy press releases a little while ago, done by some pr person, along with roger ailes, i said, byebye. Reporter on her show, megyn kelly not backing down. The truth is, he doesnt get to control the media. Reporter even filmmaker, michael moore, a staunch liberal, siding with kelly and fox news. You have done something that jeb bush, chris christie, rubio, cruz, none of them have been able to do, which is to essentially brain him, make him run. Would you move on from the trump situation . Reporter this morning, trump not ready to move on, tweeting i refuse to call megyn kelly a bimbo because that would not be politically correct. Instead, i will only call her a lightweight reporter. The kelly trump relationship, not always so toxic. A lot of love on display in 2011, when kelly interviewed trump about his plans to host his own candidates forum. Do you really think youre a better moderator than i am . No, i could never beat you. That wouldnt even be close. There would be no contest. The way, and i mean it. She still thinks trump will show tomorrow. Ill be surprised if he doesnt come. I mean, i know he says he doesnt want to now. Reporter trumps closest rival, senator ted cruz, smelling blood in the water, saying trumps decision to skip the debate amounts to skipping out on a Job Interview with iowa voters. Show up at the interview, you know what youd say . Youre fired. Reporter the texas senator now challenging trump to debate him oneonone. Well do 90 minutes. Lincoln douglas. Mano a mano. Donald and me. Reporter trump tweeting, okay. Can we do it in canada . And tom llamas with us live from iowa tonight. Tom, a lot of talk, would there be an empty podium tomorrow night . Fox news now saying they will remove it. But youve been talking to the Trump Campaign. Are they at all worried that this could hurt them by not showing up . Reporter no, david, theyre not. The Trump Campaign is confident that their supporters will understand why donald trump had to make this decision. Wrote the book, the art of the deal, and this debate was a bad deal. That said, he is taking more heat tonight. Senator john mccain tonight critical of the event that trump is hosting in place of the debate, saying, i wish he were not using a veterans event as a way to further his own political agenda. David . Tom llamas leading us off again tonight. Tom, thank you. And we just five days to iowa, the republicans not the only ones with a debate controversy on their hands tonight. On the democratic side, a push for a new debate right before New Hampshire. Governor Martin Omalley says hes in. Hillary clintons camp says shes in if bernie is. But Bernie Sanders, who met today with president obama at the white house, his answer . Hes considering it. And look at this tonight. The new poll showing sanders edging out clinton in iowa. Last nights poll had clinton barely ahead. Which proves this evening what the campaigns already know this is all about turnout. And heres abcs jonathan karl. Reporter a rare break from the campaign trail for Bernie Sanders. For a meeting with the guy he the president and i discussed this morning a number of issues. Foreign policy issues. Domestic issues. Occasionally a little bit of politics. Reporter the meeting comes just after president obama seemed to tilt toward Hillary Clinton in an interview with politico. She can govern and she can start here day one more experience than any nonVice President has ever been who aspires to this office. Reporter clinton took that as an endorsement, but sanders dismissed suggestions that hes leaning toward his former secretary of state. I think he and the Vice President have tried to be fair and evenhanded in the process. Reporter but as the race tightens, clinton is playing the obama card. I dont think president obama gets the credit he deserves. Reporter campaigning at a Bowling Alley in adel, iowa, mrs. Clinton took time to sign an excuse letter for this high school student. Oh, i will sign it. That is so cute. Reporter but even here, sanders rise. This woman, a hillary supporter, says she may jump ship. So, whats the chance that you change your mind on monday night . It could happen . 51 to 49. Shell be getting a call after that interview tonight. Jon karl also live in iowa. Jon, how likely is it theres going to be another democratic debate right before New Hampshire . Reporter well, i think its going to happen, david. The Bernie Sanders campaign tells me theyre considering it. They say that they want to have more debates. And ive got to say, it is a real sign of how concerned Hillary Clinton is about Bernie Sanders rise, that shes the one now first agreeing to an added debate. That shed be willing to debate again. All right, jon karl live with us, as well. Jon, thank you. Were going to turn in the meantime to the extreme weather at this hour. Florida taking a beating. Multiple tornadoes reported in broward county, including an ef1. Winds up to 100 miles per hour. Dramatic images, the moment of impact at this college. A tractor trailer flipping over. Cars piled on top of one people hiding beneath underpasses. A woman inside her car as it was thrown across the highway. Authorities saying tonight it is a miracle that no one died. And abcs phillip mena is on the scene. Reporter tornado warnings just after 9 00 a. M. Why dont we get under the bridge, kyle . Reporter kyle mcafee and his father in their truck, caught in the middle of it. Were in the tornado. Reporter nowhere to go. Taking refuge under this overpass. Winds up to 100 miles an hour, tearing through the College Campus nearby. There was, like, a tidal wave of clouds and water. Reporter this was the scene when it was over. A car dropped on top of another. This truck flipped on its side. Roofs shredded off buildings nearby. Trees downed. I seen that tree just snap like it was a toothpick. Im still shaken up, i mean, i didnt even know which way to go. Reporter back on that highway, this car lifted right up from the southbound lane, landing northbound. The driver still inside. So, were very fortunate. Reporter and david, you can see what the storm did to this gated community. Trees ripped out of the ground, and that roof behind me, partially blown off. And david, tonight, families here are bracing for more Severe Weather. More Severe Weather in southern florida on tap. Phillip, thank you. Also tonight, we are following a developing headline, a midair mystery onboard an American Airlines flight headed from london to los angeles, turning back, making an Emergency Landing when a Flight Attendant collapsed, passengers and crew suddenly feeling faint. Abcs david kerley covers aviation for us. Reporter with a Flight Attendant collapsing in the aisle, then other crew members and passengers falling ill, the l. A. Bound American Airlines flight returned to london to flashing lights and emergency vehicles. Members of the band race the horizon were onboard. She just literally fainted. She just stumbled literally within touching distance of me. It was crazy. Ive never witnessed anything like that. Reporter thats when the others started falling ill around the band member. Passengers complained, and london Officials Say four crew members were lightheaded. All were released. London firefighters checked the inside of that aircraft, also, the luggage was taken off the boeing 777. No detection of a hazardous substance, so, david, its still a mystery why those people became lightheaded on that flight. David . All right, david kerley with us tonight. Thank you, david. We move on now to oregon, and to a deadly showdown after a nearly monthlong standoff with armed militia, taking over a Federal Building there. Overnight, a deadly gun fight at an intersection. One dead, eight arrested. The suspects in court late today. And late word coming in tonight that the groups leader is now urging the remaining protesters who are digging in to go home. Abcs Neal Karlinsky on the scene. Reporter tonight, the traffic stop that ended with eight oregon militants in custody and one shot dead is being seen as a rallying cry. Im disgusted. Im heartbroken. One of the groups most vocal leaders. At once armed and easygoing. Relatives claim he was murdered in cold blood with his hands in the air. His picture spreading online as a hero in the patriot movement. Police will say little about the traffic stop in which occupation leaders can been seen handcuffed on the ground. At some point, one militia member was wounded and finicum was shot and killed. At least one alleged witness saying finicum charged at police. There doesnt have to be bloodshed in our community. Reporter rather than ending the occupation, the remaining 40 or so inside the compound have dug in. But with their leader tonight asking them to back down, will they . They told us that we could safely leave. Well, the group that was leaving has a dead man in it, so, it depends on what you believe. Reporter the eight arrested face serious federal charges, but the bigger question tonight is whether still more force will be used to end this occupation once and for all. David . Neal karlinsky in oregon for us. Thanks, neal. We have breaking news now on arrests made late today in the case of those three fugitives on the run, considered dangerous after breaking free. Tying bed sheets to rappel down the building. The reward had been quadrupled. And abcs Kayna Whitworth with late developments, coming in now. Reporter tonight, abc news, the first inside the maximum security prison, learning of arrests in the investigation into the dangerous inmate escape in orange county. The arrests not of the suspects themselves. And are these people that the Justice System is familiar with already . Yes. Reporter heres the roof where Authorities Say they cut through barbed wire and rappelled down, using that rope made from bed sheets. Court documents obtained by abc news shedding new light on the elaborate escape. Obviously was calculating a way to get out of this jail, now that weve seen what has happened. Reporter Authorities Say they sawed through a door to the plumbing system. Then fashioned a rope sling so they could pull themselves up into the ventilation tunnels. How it happened without being noticed . Hossein nayeris alleged crimes of attempted murder and torture, well documented. Jonathan teiu and bac duong accused of murder and attempted murder, both with strong gang ties. David, the sheriff told me that when this jail was built 50 years ago, it housed mainly lesser criminals. Today, 70 of the inmates are accused of felonies. David . Kayna whitworth on the case again tonight. Now, to the backlash against walmart this evening. We reported here they are now closing more than 100 Stores Across the country, but this evening, the families in one town saying walmart forced other businesses out and now theyre leaving . Abcs Steve Osunsami in north carolina. Reporter in the tiny coastal town of oriental, north carolina, they feel cheated by walmart. They dont care about rural america. The town depended on us. Reporter renee ireland smith took us to whats left of her familys Grocery Store that was forced to close in october after 45 years, because it couldnt low prices. She learned just two weeks ago that the walmart here is closing, too. We were fine as a town before they got here. But now were broken. Reporter her anger is shared across america. 269 stores are closing for more than 100 of them in our that now have no nearby Grocery Stores or pharmacies. Leaders wonder how theyll pay the bills. The walmart was 35 of the tax base. Walmart puts a stronghold on any city when they come into that neighborhood and they tend to drive that little boy out of business all the time. Reporter the retailer says that even with todays action, walmart will continue to invest in its future. With plans to open more than 300 Stores Worldwide over the coming year. But only half of those new stores will be here in the u. S. This one closes tomorrow. David . Steve, thank you. Now, to indiana tonight. The investigation under way into the Deadly School bus accident of 22 years. Susan jordan was hit by the bus while saving the lives of students, pushing them out of harms way. The bus jumping the curb in front of the Elementary School tuesday. Two children were hurt. Police so far finding no evidence of mechanical problems with that bus. There is still much more ahead on world news tonight this wednesday. New details coming in about the Young American nanny killed overseas. Also, the explosion today. This truck in an american neighborhood. Pieces of the garbage truck flying into homes. What caused it . The Real Money Team is back tonight. Bagging up your clothing in your closet, your familys clothes someone will actually pay for. And the website this evening with unclaimed money up for grabs. And, the nfl investigation of peyton manning. The league looking into stunning allegations, as he gets ready for one of the biggest and possibly the last game of his career. Every Auto Insurance policy has a number. But not every Insurance Company understands those who have served our nation have earned the very best service in return. Usaa. We know what it means to serve. Get an Auto Insurance quote and see why 92 of our members plan to stay for life. When youve got a house full of guests on the way and a cold with sinus pressure, you need fast relief. Alkaseltzer plus severe sinus congestion and cough liquid gels rush relief to your tough symptoms. To put you back in control. 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