Guelph police say a woman sleeping on a downtown bench was assaulted around 10:30 a.m. on April 7.

A release says that woman woke up when she was punched in the head by a man. The woman was uninjured.

Police say they're looking for a white man, around 20-years-old, wearing a blue and pink striped shirt, grey pants, and running shoes.

Anyone with any information is asked to contact Const. Matthew Ball at (519) 824-1212 ext. 7525, email him at mball@guelphpolice.ca, or leave an anonymous tip online at www.csgw.tips.