Toronto police are looking for a 45-year-old Toronto man accused of sexually assaulting a woman at gunpoint in the downtown core.

Police say that close to midnight last Friday, a man grabbed a 28-year-old woman from behind, held her at gunpoint, and forced her to walk to the rear of a building in the Yonge St. and Alexander St. area before sexually assaulting her. He then fled the area.

Brennan Wayne Guigue of Toronto is wanted by Toronto Police for the alleged assault. He is described as 5-feet-9, around 200 pounds, and wearing all-dark clothing at the time of the assault.

Victims of sexual assault in Toronto who want emergency counselling can always contact the Toronto Rape Crisis Centre at 416-597-8808.

Police say that Guigue is armed and dangerous, and should not be approached. Anyone with information is asked to call the Toronto Police Sex Crimes Unit at 416-808-7474 or Crime Stoppers.