Around 2:40 p.m. Wednesday, the man, 59, was arguing with someone in the 1400 block of North Sedgwick Avenue when he was stabbed in the abdomen with a sharp object, Chicago police said.

An autopsy is scheduled for the victim, only described as male, who was hit by the train about 6 p.m. Wednesday in the 5100 block of West 21st Place, according to officials.