With jonathan. Reporter a second blast followed. It was not something that fell on the ground. Or something you felt kind of shocks. Reporter police say these are the suspects. Investigators believe the two men in black blue themselves up. They wore gloves that may have hit detonators. Theres a hunt for the man in the white wearing the hat. About an hour later, a bomb tore through the sub way station. We received a big blast of air. And the train stopped. Reporter people scrambled through the dark tunnels to safety. One of them, investigators say they found an explosive device with nails, chemicals, and an isis flag. Reporter americans are among the injured. One of the blasts at the airport knocked 37yearold to the the belgium businessman played College Basketball in michigan. His father spoke to his son on the phone. He saw people dead and people dying. So, thats im sure that will stay with them for the rest of his life. The Prime Minister warned more attacks could be coming. He has c