also investigating, we know the federal railroad administration they're here onsite. we saw them as soon as we arrived, so multiple investigations going on here. >> rene marsh in philadelphia. they had could know a lot quickly. that is the nature of these rail investigations. thank you very much. passengers on 188 described harrowing images debris bodies laptops flying through the compartment ofs. cnn's sara sidner is there with the latest on that. listening to what the passengers were saying looking up and seeing people trapped inside luggage departments as the train lists 30 degrees. what is the scene there now? >> reporter: yeah christine when you listen to what people who are inside of one of these seven cars that some of them toppled over. one of them is almost unrecognizable. it is so damaged. it is crumbled almost into a ball in places it looks