A CTA rider was stabbed in the head on a Red Line train Wednesday night on the South Side.
The 33-year-old man was riding on a Red Line train around 10:42 p.m. when he got into an argument with another person who pulled out a knife and stabbed him near the 79th Street station, police said.
The man suffered a stab wound to the head and was taken by paramedics to the University of Chicago Medical Center where he was listed in fair condition, police said.
Police recovered a knife at the scene.
No one is in custody as Area Two detectives investigate.