The campaign trail, and whats going on in belgium. Ayman mohyeldin joins us now with the very latest on what we know on that Ongoing Investigation. Ayman . Reporter thanks, steve. At this hour, we know 31 are dead, 270 more are wounded after tuesdays attack. Isis has claimed responsibility for the bombings. Zaventem airport will remain closed today and tomorrow. At least four people were involved with the attacks at the airport and metro station, and theres conflicting information being reported. But the Associated Press is now reporting that according to one french official, and one european official, the suspected bomb maker for the paris attacks was one of two dead suicide bombers at the brussels airport. Those two officials, who say they have direct knowledge of the investigation, told the Associated Press that laachraouis dna was found there. He was already wanted in connection with the november paris attacks. A French Police official told the ap that laachraouis dna was found on