out and we certainly don't know that all 243 people on board, including the five crew members, are accounted for. in terms of the overall scale of the response again, this is a large response in terms of personnel. you can see the personnel that have been on scene for a couple of hours now but it's also a large number of agencies. fire response, police response department of homeland security has a response here. septa, southeast pennsylvania transportation authority. the state police are on board. mayor nutter said he spoke with governor tom corbett about this. also the ntsb investigator who we spoke with moments ago, they are en route as well as the federal railway association. mayor nutter describing this as an absolute disastrous mess like nothing he has ever seen in