live in philly shomari stone. thank you. >>> terrifying awful, chaotic. those are some of the words used by other passengers on the train last night. >> keep crawling. crawl forward, sir. >> this is cell phone video that captured the frantic moments after the crash as people tried to escape in the dark. "nbc nightly news" producer janelle richards was one those on board. >> smoke started filling the kafrl i thought i have to get out of here. first thing i saw, i looked to my left and there was a woman in the aisle and she had blood streaming down her face. i asked her, are you okay? she said i'm okay okay. >> federal accident investigators say the train was going more than 100 miles an hour before the derailment. >> there's a news conference underway by a member of the national transportation safety board board in philadelphia. let's go there. >> our thoughts and prayers are truly with them. ntsb investigators began arriving in philadelphia between 4:00 and 5:00 this morning and the majority of the go team was in place in philadelphia by about 9:30 this m