Police now naming a suspect. And, record breaker. The retired navy s. E. A. L. And his deathdefying flight. Why hes going the distance for his fellow veterans. This is abc world news tonight. Thanks for joining us on this sunday. Im tom llamas. We begin with the heightened sense of vigilance at home tonight. Around the country, special precautions at weekend sporting events. A professional wrestling event . Atlanta ramping up security after receiving information about being the possible target of a terrorist attack. A predawn drill simulating an active shooter scenario. What to do what a suicide vest is involved. Air travel is on edge, as well. A flight forced to land after authorities became suspicious of three passengers all of this as millions get ready to travel. Nbcs Ron Claiborne from Laguardia Airport tonight. Reporter tonight, americans on edge, heading into some of the busiest travel days of the year. This Southwest Airlines plane diverted today because three passengers were behaving suspiciously. When someone says youre making an emergency landing, youre going to be nervous. Reporter the flight headed to los angeles. Those passengers causing concern taken off the plane and questioned and later allowed to reboard a different flight. In atlanta, Law Enforcement saying they received investigation about a threat against a professional wrestling event tonight. The fbi said it had no specific or credible information about any such attack adding it takes all threats seriously. The goal of a terrorist attack is to injure and kill as many people as possible. Terrorist groups are always looking for those targets that are softer, that have lots of people, but are difficult to secure. Reporter in new york city, hundreds of responders taking part in an exercise. A terrorist in a suicide vest now added to the scenario in response to those paris attacks. Today, president obama vowing that fear of being targeted by terrorists will not become the new normal. They cant beat us on the battlefield, so they try to terrorize into being afraid. As president , i will not let that happen. Reporter here at laguardia and other airports around the country, many travelers will be seeing a much heavier presence not just during the thanksgiving holiday this week, but for weeks and probably months to come. Tom . Adding to an already stressful time for travelers. Ron, thank you. Tonight, the center of europes terror crisis is brussels, belgium. The city virtually shut down. The threat considered serious and imminent. It is also the home of this man, the suspected eighth paris attacker. Tonight, the hunt for him is on. Abc chief Global Affairs correspondent Martha Raddatz in brussels, tonight. Reporter tonight in brussels, in the heart of the city, the police and military blocking off the streets. Brusquely moving pedestrians and warning journalists to stay back after an unknown threat was reported. If we start shooting you are in the crossfire. Reporter it appeared to be a false alarm, but it is no wonder the police are on edge. Again tomorrow, this city will be on lockdown. Subways shuttered, schools closed, shopping malls, restaurants, all potential targets in what belgian officials fear is an imminent, mass casualty attack by multiple assailants in multiple locations. The paris scenario. The u. S. Embassy urging american citizens to shelter in place. The search tonight focussed on salah abdeslam. Believed to be on this Surveillance Video obtained by the daily mail shooting at one of the restaurants in paris. Authorities say he drove to belgium, passing unnoticed through three Security Checks. The lawyer for his companions telling abc news he may have been wearing a suicide belt. Abdeslams brother saying in interviews today that the family thought salah was going on a ski trip when he disappeared prior to the attacks. Now he is hoping he ends up in jail rather than dead. Outside that brothers home today, in a neighborhood that has sent more than any other here to fight and train syria, this 15yearold told me there are some people in the neighborhood who are terrorists, but that doesnt mean that everyone is. Until police find abdeslam and the other men they believe are stalking the city preparing for an attack, brussels will remain on high alert, reassessing the Security Threat every day taking no chances, tom. And those signs of high alert right behind you. Martha, thank you. And in paris, people are still gathering outside that concert hall where some 90 people were killed in the attacks. This photo of the american rock band onstage just before the terror began. Tonight for the first time theyre speaking out about what they saw in the harrowing moments that followed. Abcs lama hassan is reporting from paris tonight. Reporter breaking their silence for the first time, the american rock band the eagle of death metal describe what happened while performing that night. Several people hid in our dressing room, and the killers were able to get in, and killed every one of them, except for a kid who was hiding under my leather jacket. Reporter about 30 minutes this was the bonechilling moment the band knew something was wrong. [ shots fired ] you can hear the gunfire ringing out, the attackers storming in. The drummer crouching down. In the upcoming exclusive interview with vice news, lead singer jesse hughes describes the courage their fans showed. So many were killed is because so many people wouldnt leave their friends. Reporter the band managed to escape on foot. But among the dead was their merchandise manager nick alexander. His girlfriend polina buckily remembering him at a vigil. Hes the best man that ever lived. Reporter tonight, outside the bataclan concert hall, the scene of that horrific massacre. You can still see people coming here to pay their respects nine days after those attacks. Tom . Lama hassan from paris tonight. Thank you. Terror also striking the west african country of mali in the past few days. Tonight, soldiers standing guard outside the hotel where the gunmen attacked. At least 19 people died including one american. A mother from maryland who was there to help out that country. Tonight, well hear from two americans that narrowly escaped. Alex marquardt is in mali tonight. Reporter it was eight and a half hours of terror. I just knew i was dead. Reporter you had resigned yourself to the fact that you were dead . Yeah, basically. Reporter the assault started at 7 00 a. M. As state Department Contractor terry kemp stood outside the radisson blu hotel. He fled back inside, diving under a dining table. They never looked. They were shooting, the shells were hitting me. They never looked. I dont know why. Reporter after the attackers set the room on fire and left, kemp crawled through the smoke to the american rescuers and safety. I heard a spray of definitely gunfire. Reporter Kathie Fazekas was up in her room. She immediately barricaded the door and called for help. Was there ever a point you thought, were not going to get out of here . When the gunfire was going down the hallway, i emailed my husband a second time. Hes in atlanta. And i said i love you. If this doesnt turn out right i love you and let people know. Reporter of the around 20 americans inside, one was killed. Aid worker anita datar from maryland, in mali on a project for usaid. This attack has been claimed by an Al Qaeda Linked group based in north africa. Malis defense minister would not confirm the claim, but said whoever is behind it is part of the growing wave of terror being seen around the world. Tom . Alex, thank you. Following that string of attacks, terror is now a top concern in the race for president. And a new poll out tonight shows Donald Trump Holding a firm lead. Ben carson behind him, marco rubio, ted cruz and jeb bush. And tonight the frontrunner with strong words on torture and how he says some american muslims reacted after 9 11. Abcs devin dwyer from washington tonight. Reporter tonight donald trump is turning up the tough talk about terrorists and drawing cheers. Weve got to chop off that head like theyre chopping off the heads of our people. Reporter just take a look at who Republican Voters trust most to handle terrorism, in our new abc News Washington post poll. Trump topping the list by far. So youd bring back waterboarding . I would bring it back, yes. I think waterboarding is peanuts compared to what theyd do to us. Reporter trump reopening a debate about interrogation and torture and stirring up new controversy over this claim about 9 11. I watched when the World Trade Center came tumbling down, and i watched in jersey city, new jersey, where thousands and thousands of people were cheering as that building was coming down. You know, the police say that didnt happen and all those rumors have been on the internet for some time. Did you misspeak yesterday . It did happen. I saw it. You saw that with your own eyes . While some around the world cheered after the 9 11 attacks, there are no known evidence of crowds in new jersey coming out to celebrate. Trumps said he wants a database to track syrian refugees. Get them out of here tensions are running high. On saturday in alabama, this black lives matter protester claims he was beaten and subjected to racial slurs after heckling trump. Maybe he should have been roughed up because it was absolutely disgusting what he was doing. Trump leads dr. Ben carson by ten points in the primary poll. The fourth straight month hes held the lead, and in iowa, the critical voting state where carson has been ahead, early signs that trump may be closing in. Tom . Is devin dwyer now, thank you. And to the weather tonight. Parts of illinois getting some of their biggest november snow totals on record. Take a look at that. Dangerous for travel as well. Near bloomington, this jackknifed semi. And nothing moving at airports, cancellations at ohare. Rippling across the country. Philip mena is in bearington, illinois tonight. Reporter a blast of winter, across the midwest this weekend. Blinding snow and icy roads. I dont think ive gone faster than 15 miles an hour. Ive seen a few people in ditches. From south dakota to michigan, more than a hundred accidents. Near bloomington, illinois, wind gusts reducing visibility to near zero. Challenge by air a challenge, too. More than 1,000 Flights Canceled at chicago airports. Ohare setting up cots for nearly 900 passengers stranded overnight. Some suburbs getting as much as 16 inches of snow. Chicagos snowiest november in more than 100 years. The storm, snapping trees and power lines. Jolting some residents out of bed. The power line went into the street. It was crazy. J joo. Reporter we met ted shoveling his driveway. Were you prepared for so much snow . Its a bit of a shock coming from the warm weather that we had so no, not really. Reporter stadium workers in iowa also scrambling and before the iowapurdue game. Back here in chicago, its only gotten colder since the storm. That created huge snow piles like this one. But the good news, tom, it is expected to warm up just in time for thanksgiving. It will help you get out of there. Thanks so much. Abc senior meteorologist rob marciano is here. Thats really early for a snow storm in chicago. But youre tracking another storm . Heres the next storm coming in. To the pacific northwest, wind, rain, snow, and cold air. Watch as it moves south of portland and seattle. By early Tuesday Morning those snow levels really drop low maybe 500 to 1,000 feet and it might get down to the valley floor there and pressing lower to San Francisco. We had record highs across los angeles and that will be the end of that because this big trough will dig into the west. The east coast for big travel on wednesday looks to be pretty good, but everything will be out west so if youre traveling through south lake, through denver, San Francisco and los angeles. If youre traveling over the mountain passes it could be treacherous, tom. Thank you. We want to go back to chicago, in the middle of the snowstorm a fire broke out in one of the most famous skyscrapers. The hancock center. Firefighters going floor by floor evacuating residents. Five people were slightly injured. Still ahead on world news tonight. The search for a dangerous shooter. The chilling video as a suspect opens fire on a medical student trying to rescue a woman pointing the gun at close range. How the victim survived. Later, two politician, a tight election and no recount needed here. Whats in these silver cases that determined the winner . Abc world news tonight brought to you by cialis. Or stop to find a bathroom . Cialis for daily use is approved to treat both erectile dysfunction and the urinary symptoms of bph, like needing to go frequently, day or night. Tell your doctor about all your medical conditions and medicines, and ask if your heart is healthy enough for sex. Do not take cialis if you take nitrates for chest pain, as it may cause an unsafe drop in Blood Pressure. Do not drink alcohol in excess. Side effects may include headache, upset stomach, delayed backache or muscle ache. To avoid longterm injury, get medical help right away for an erection lasting more than four hours. 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Suddenly, youre a mouthbreather. Well, just put on a breathe right strip which instantly opens your nose up to 38 more than Cold Medicine alone. Shut your mouth and say goodnight mouthbreathers. Breathe right back now with a story and a video thats heartstopping. A medical student is in Critical Condition after confronting a gunman when he saw a woman in trouble. The frightening encounter all captured on video and the search is on for the shooter. Heres gloria riviera. Reporter tonight, authorities are searching for this man. 21yearold euric cain, accused of kidnapping a woman and trying to kill the Good Samaritan who saved her. We know who you are, and you need to know that we are going to find you. Surveillance video captured the woman walking alone in new orleans at nearly 4 00 a. M. Friday morning. A hooded man approaches, dragging her away. The woman disashppears from fra. She is alone with her alleged attacker when gold, who is a fourthyear medical student at tulane university, drives by the scene. Gold brakes, backs up and gets out to help. His hands up, gold pleas with the man, who has a gun on him and is demanding cash. The aspiring doctor is shot in the stomach. Perp is a black male, grey hoodie. Reporter the suspect tries to shoot gold repeatedly, aiming at his head, but he fails and takes off in this suv. An anonymous bystander saw it all. I saw the guy with the gun shoot the guy in the stomach. I saw him stand over him and attempt to shoot him. The woman gold saved got away and is recovering. In a statement to abc news golds family thanks everyone for their conditioned concern saying peters condition is improving. A friend and classmate describes him as a great guy who always has your back. Apparently true, whether he knows you or not, gloria riviera, abc news, washington. Were glad that student is recovering. Coming up, a singing audition takes a bizarre turn. A bunch of adele wanna bes vying for the spotlight. How one of them named jenny stole the show. Take a good look at her. What was it about her . Our index up next. Er called squamous nonsmall cell, previously treated with platinumbased chemotherapy, its not every day something this big comes along. A chance to live longer with. Opdivo, nivolumab. Opdivo is the first and only immunotherapy fda approved based on a Clinical Trial demonstrating longer life. For these patients. In fact, opdivo significantly increased the chance of living longer versus chemotherapy. Opdivo is different. It works with your immune system. Opdivo can cause your immune system to attack normal organs and tissues in your body and affect how they work. This may happen any time during or after treatment has ended, and may become serious and lead to death. 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