Police are searching for a suspect who shoved a 40-year-old man onto subway tracks in Harlem following an argument on Tuesday night. The incident occurred shortly before 9 p.m. at the 125th Street station.

The altercation began on the platform between the suspect and the victim. The suspect then pushed the victim onto the tracks before fleeing the scene on a southbound 3 train. The motive for the dispute and subsequent attack remains unclear.

Bystanders assisted the victim, who sustained minor injuries. He was transported to NYC Health + Hospitals/Harlem in stable condition.

The New York Police Department released surveillance footage Thursday night showing the suspect dressed in black and carrying a duffel bag. Authorities are asking anyone with information to contact the NYPD's Crime Stoppers Hotline at 1-800-577-TIPS (8477) or submit tips online via the Crime Stoppers website.