the subject. no other injuries. what do you make of it given the little information you know? reporter: the major categories they ll press on is terrorism, bombs, multiple bombs in a public venue like that in center city, ali, that s pretty obvious to police so that s what they ll press on. terrorist events in europe just seems to build and whether the actors are inspired, isis, al qaeda types or directed, they have a tempo going, westminster and even the revenge attack on muslims which, of course, terrorism. but that plays into the tempo of killing. we see it picked up in brussels and as far as bombing in the central station, the biggest piece here is that no major injuries reported and one of the bombers shot, we don t know dead or wounded. and one of the big questions you