PORTLAND, Ore. -- A man sitting on the MAX tracks was critically injured when he was struck by a train about 10 p.m. Sunday.

Jason R. Beveridge, 45, was taken to a local hospital with traumatic, life-threatening injuries.

Beveridge was apparently walking across the tracks away from a marked crosswalk and tripped an fell, police said. He sat down for several minutes before he was hit. It was not clear why he remained on the tracks.