Toronto police are searching for a suspect accused of sexually assaulting a teenage boy on a subway train near St. George Station last month.

According to police, on Dec. 17 at around 10 p.m. a 17-year-old boy was riding an eastbound subway train when another passenger allegedly sexually assaulted him.

Investigators say both the teen and the suspect got off the train at Bloor-Yonge Station.

The suspect has been described as between 25 to 30 and is reportedly about five-foot-three with a thick build, short, wavy hair and a black beard.

He was seen wearing a blue zip-up jacket with a hood, a green T-shirt, grey pants and black shoes.

Police have released an image of the man taken from security camera footage.

Anyone with information is asked to call police at 416-808-5300 or Crime Stoppers anonymously at 416-222-TIPS (8477).