TORONTO - Toronto police are looking for a suspect after a woman was sexually assaulted in the north end of the city.

The 25-year old victim was walking (on Sheppard near Yonge) just after midnight when police say she was assaulted by a man who approached her from behind.

Police say the man fled, but then returned a short time later and assaulted the woman a second time.

The suspect is described as male, brown, 20-to-25 years old, about five-feet-11 inches tall with a thin build.

He had a goatee and was wearing a black hoodie with a blue bandana on his head.

The Toronto Police Service is seeking the public's assistance in finding this man.