derailed. first pictures that we are getting now, this is from our wpvi affiliate in philadelphia. and these are from the scene. and these are the first pictures that we are getting in. this is videotape. and you can see, it is a very chaotic scene. there are people there who are -- who have been injured and getting a little information from them and treating some of them there on the scene and others will be taken to area hospitals. at least three area hospitals. hospitals in philadelphia say they are getting patients now, as rescuers work feverishly as you can see from the pictures there at that scene. we have just been told a short time ago to expect a news conference from philadelphia mayor michael nutter at any moment. joining us to help us through this is matthew l. wald who's an expert here on accident -- also peter goelz is with us an aviation expert and transportation analyst and also