The Winnipeg Police Sex Crimes Unit is investigating a serious sexual assault after a 25-year-old woman was attacked early Sunday morning.

Police said the victim was walking in the area of Beverly Street and Sargent Avenue when she was approached by an unknown man with a weapon at about 2 a.m. CST.

The man sexually assaulted the woman and fled.

The woman was treated in hospital for injuries and released.  

The suspect is described as about 30 years old, six feet tall, with short, dark hair and a heavy build.