(WUSA) -- Prince William County Police now have a sketch of a suspect wanted in a Manassas assault from Tuesday night.

Police say a 21-year-old woman was attacked on footpath inthe 8100 block of Seymour Road. A man struck her from behind and knocked her to the ground. Then she was assaulted.

She was able to fight the man off and he fled.

The woman was treated at an area hospital for non-life threatening injuries.

The man was described as a white male, between 20 and 30 years old, 6 feet tall and 180 pounds with a thin build. He was last seen wearing a white t-shirt, blue jeans and black tennis shoes.

Police note that an indecent exposure incident happened in the same area with a suspect description similar to the one provided by the victim.

Anyone with information is asked to call Crime Solvers at 703-670-3700 or 1-866-411-TIPS. You don't have to give your name. You could earn up to a $1,000 cash reward.

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