The one on the right. They dont know who he is. But theres a wanted notice out for him tonight. There are a number of new developments on the attacks in brussels. Isis taking credit and threatening dark days. The death toll on the airport and subway station stands at 34. Its not clear whom were killed at each site. Another 180 people were also hurt. After the second explosion, so many people panicked, so many people cried. The u. S. State department is now warning americans of the risks of traveling to europe, and while theres no specific threat against the u. S. , Homeland Security is stepping up security at airports and transit stations nationwide. As travelers around the world absorb the implications of the terror attacks there, there are new calls for improved airport security. Tonight we uncovered one vulnerability that went undetected for some time. We have this report. Reporter you can see police extremely visible here. They have tightened security. But as in any major airport,