Montreal police are investigating a suspicious death in NDG.

A passerby found the body of a man around 7 a.m. in an alley off Cote Saint Luc Rd. near Decarie Blvd.

Officers on the scene said the man had a severe injury to his head, but point out that may not be the cause of death. Police say they are treating this as a murder, and have roped off the area while they search for clues.

Around 9:30 a.m. police said the deceased was 55-year-old.

The alleyway in question runs from Cote St. Luc Rd. north to Snowdon Rd.