Police are looking for a man who reportedly committed an assault in northern Alberta last month. On Oct. 7 at 8 p.m., police were called to the Blackhorse Pub on Signal Road in Fort McMurray. The assailant reportedly left the bar in a cab before police arrived. On Friday, police released a still from a surveillance photo of several people who may have witnessed the incident. Anyone who witnessed the assault or who may have information is asked to contact Wood Buffalo RCMP at 780-788-4040.