nbc affiliate just moments ago. >> it was about 50 yards from just going under that overpass there. we all came to a sudden stop to try to avoid hitting one another. once we realize wd we were stopped, i looked up and super scary train had come off the overpass there and parts were kind of hanging. people running to try to help. >> jo ling, what are you hearing about casualties, injuries as well as the cause of this terrible accident? >> reporter: hey. right now we have no official report of the cause of this derailment. multiple eyewitnesss say it look like a nose dive seeing the train come off the rails and hit i i-5 in the southbound direction. we have brand new information. they say that several cars on