Toronto police say a 59-year-old man found laying face down unconscious on the side of the road in Scarborough last Thursday was the victim of a hit-and-run.
The male was located sometime before 11 p.m. on Milldock Drive near Rouge Hills Drive and Lawrence Avenue East.
Police say the man was initially found unconscious and CPR was performed.
Toronto paramedics say he was taken to hospital where he remains in life-threatening condition.
The identity of the victim has not been released but police say he lives in the general area.
Police are asking the public for any video recording of the area between 8 p.m. and 9:30 p.m.
Anyone with information is asked to contact police at 416-808-1900 or Crime Stoppers anonymously at 416-222-TIPS (8477).