Suspects sought after man thrown headfirst onto downtown CTrain tracks, left unconscious

Calgary police are hoping to identify two people believed to be responsible for an unprovoked attack on a downtown CTrain platform last month that left the victim lying unconscious on the tracks. The incident happened at the City Hall station just before 8 p.m. on April 18th. Police say the victim, a man in his 50s, had just entered a shelter on the platform when two strangers, a man and a woman, approached him.  "The man grabbed the victim and threw him from the platform onto the train tra