587 two months after september 11th. there many reasons they can go down in new york. usually it's a couple of two things. it's a mechanical failure or weather. and there was a prior hudson river crash that was midair. so there are a lot of reasons for this. tough operating helicopter. it was pouring down rain. we don't know what the weather and the winds were at exactly the moment this happened. but winds present -- are tricky in new york city, particularly trying to land on a building in manhattan? >> hang on one second for me, mary. we're going to listen in to a local affiliate, wcbs for some of their intel. >> you can see behind me they have stretchers going out. no people right now. there doesn't appear to be any that we see, any visible victims. just a big, heavy police presence. a lot of people on the scene. everyone trying to figure out what's going on and where they can be safe for the most part.