First our top story that deadly train accident of the a train operator spotting teenagers on the track on a bridge but unable to stop in time. ABC's bazi kanani is in lynchburg, Virginia, with more on this developing story. Good morning, bazi. This area is popular with photographers and residents say occasionally thrill seekers will hop a fence to climb out on to that railway bridge much it is hundreds of feet high. This morning, one young man is dead and a young woman hospitalized and through the night investigators have been working to find out how and why 21-year-olds John Gregoire and Victoria bridges were on the tracks when a freight train slammed into the pair. I just hit kids on the bridge and train emergency on a bridge over. Reporter: The group of four to six people were high up on a train trestle spanning lynchburg, Virginia's James river around 4:00 Saturday afternoon. The Norfolk southern crew saw three of them as the train approached. Two of them on the south end of the bridge, one, bystander, we hit one for sure. I'm not sure what happened to the other one. Reporter:eza?? Gregoire was pronounced dead on the scene. When rescue workers arrived bridges what airlifted with serious injuries. I heard a thump. One of them looked like a girl jumped. Detectives tell ABC news no foul play is suspected. But an investigation into why the group of friends was on the tracks is ongoing. Gregoire's instagram profile offering one possible clue. This photo taken six days ago shows the nature lover and avid photographer posing on the very same railroad bridge where he lost his life. It's kind of becoming a problem with it -- they're playing Russian roulette with their life. Reporter: More than 700 people are killed or hurt each year in the U.S. When too close to railroad tracks. This morning, Victoria bridges is fortunate not to be among that number. Hospital officials say she is stable, alert and speaking with family members.