TORONTO, Ont. – Police have released a photo and are requesting the public’s assistance in locating a man wanted in a sexual-assault investigation.

It’s alleged the incident began Tuesday when a 32-year-old woman was walking in the Walmer Road and Lowther Avenue area, near Bloor and Bathurst streets.

A man then followed the woman behind a building where he sexually assaulted her before she was able to get away.

Robert St. Pierre, 35, of no fixed address, is wanted for sexual assault.

He is described as white with a light complexion and short, brown hair. He was last seen wearing a black T-shirt, grey pants and black tennis shoes.

Anyone with information is being asked to contact police or Crime Stoppers.