concrete dust, e lek ri cal wires. >> reporter: wjs stunned. >> the ceiling was the train was through the building. there was a lot of people injured. i saw a man bleeding from his head. walking out. people were crying. it was stressful to see. >> reporter: the emergency calls began pouring in. >> we have a train that has gone through the station. >> we've got multiple walking wounded. serious structural damage. >> reporter: the one fatality, killed by falling debris. she was waiting on the platform. this man saw her buried. he rushed to comfort her. >> i knew she was in pain. she wasn't even acknowledging me. she was just looking off. and i was like miss, i'm not going to let you -- if you're going to die, it's not by yourself. i'll be with you. >> reporter: tonight the victim's mother saying her daughter was a beautiful girl inside and outside. jamie weather head was standing in the packed first car as it >> the lights went off and people started screaming. >> reporter: she snapped the photos of the aftermath. >> i saw people couldn't walk. some people were covered, in i guess debri