A masked man chased a woman and tried to sexually assault her early Thursday morning in Woodbridge, Virginia, police say.
An 18-year-old woman was in a park in the area of South Park Court when the suspect approached her, Prince William County police said. The woman struck the man before running away and the man then chased her and was able to grab her from behind, according to police.
The suspect then forced the woman to the ground and removed part of her clothing. Police said the woman managed to fight him off and yell for help before the suspect ran off.
Police responded to the scene about 4:20 a.m. The woman didn't report any injuries, police said.
A police K-9 and helicopter searched for the suspect, but couldn't find him.
The suspect is described as a man who is 6 foot 1 inch and about 150 pounds with a thin build. His race and age are unknown. Police said he was wearing a dark colored ski-style mask, gloves, dark pants and a dark hooded jacket.
Police are asking anyone with more information to call 1-866-411-TIPS or text "PWC" plus your information to 274637. Tipsters remain anonymous and can earn up to a $1,000 reward.