Waterloo Regional Police are investigating an assault in the University and Weber Street area of the city.
On Tuesday, around 6 p.m., police say a man was cycling on the sidewalk on Willowdale Avenue, he was suddenly approached by an unknown man and assaulted.
Police say the suspect then ran east on Willowdale.
The suspect is six feet tall and between 200 and 230 pounds. He was wearing a black hoody sweater, dark grey pants with white strips, and a black cloth across his face.
Anyone who has info. is asked to call police at 519-570-9777 or Crime Stoppers at 1-800-222-8477.