Ottawa police are asking for public assistance to locating Shawn Roy, 60, missing since Tuesday.
Roy was last seen in the Walkley Road and Lancaster Road area.
He was wearing a grey T-shirt and dark pants, and is described as Caucasian with a greying beard and moustache.
Police said there are concerns for his health and well-being.
Anyone with information is asked to call the Ottawa Police Service at 613-236-1222 ext. 7300.
