Ottawa police are investigating after a report of a sexual assault in the city's west end.

Police say a 14-year-old girl was walking on a bike path near Greenbank Road at about 3 p.m. last Friday when she was allegedly grabbed from behind, thrown to the ground and sexually fondled.

Police say the victim was not physically harmed during the incident.

The suspect is described as an unshaven white male with a muscular build and blonde hair with brown roots.

Anyone with information is asked to call Ottawa police at 613-236-1222 ext. 5944.