Police are looking for a male suspect who allegedly sexually assaulted a woman on a TTC bus during the afternoon rush hour on Wednesday.

Police say the alleged sexual assault happened on board a bus in the Dufferin and Bloor streets area at around 4:30 p.m.

Following the assault, police say the male suspect exited the bus and fled the area in an unknown direction.

He is described as 25 to 30 years old, about five-foot-six with a heavy build, short black hair and a black moustache and goatee. He was last seen wearing a tan jacket with a hood, a black T-shirt and grey sweatpants.

Anyone with information is asked to contact police at (416) 808-1400 or Crime Stoppers anonymously at (416) 222-TIPS (8477).