Police are searching for a man wanted for sexually assaulting a woman early Sunday morning in Ancaster.

The incident happened around 4 a.m. in the area of McNiven Road just south of Mohawk Road, police say, when a man approached a woman as she was walking and forced her to the ground.

She struggled, and ended up with injuries to her face and head. The man sexually assaulted the women and then ran off going east, police say.

The man is described as a white male, about 20 to 25 years old, five feet seven inches tall with short brown hair and wearing baggy clothes.

Anyone with information is asked to call police at 905-540-5050, or Crime Stoppers at 1-800-222-TIPS.