scene inside the train afterwards. the gunman stabbed one of the service members multiple times, but he is reportedly doing okay. here is one of those service members as well as two people on board who helped describing what happened. >> relief. nobody got killed. >> really proud of my friend that he reacted so quickly and so bravely. he was really the first one over there. he went to go help the other man who was bleeding. without his help, that man was bleeding from his neck profusely. >> he ran a good 10 meters to get to the guy. e we didn't know his gun wasn't