A 16-year-old was shot in the chest Thursday afternoon at the Sound Transit's Federal Way Transit Center in Washington State, KOMO reported.
The boy was taken to a local hospital, but his condition was not immediately know, the station reported on their Web site.
Police are searching for the shooter and do not have a motive.
Video from the scene show police officers and dogs canvassing the area.
It wasn't immediately clear what impact the shooting, which happened around 3:30 p.m. local time, would have on the evening rush hour.