A woman was sexually assaulted in Riley Park Sunday evening, police said in a release Wednesday.

Police say the victim was walking through the park at 800 12th St. N.W. sometime after 11 p.m. when she was approached from behind, pushed to the ground and sexually assaulted.

Police say the woman was walking through Riley Park after 11 p.m. Sunday evening. (Google Maps)

The suspect is about six-feet-one-inch tall with a heavy build and was wearing dark clothing.

Anyone who has information on the incident is asked to call Calgary police at 403-266-1234 or Crime Stoppers at 1-800-222-8477.