Police say two men got into a cab near College and Clinton streets at about 1:15 a.m. on Sunday.
The men got out of the cab in the Bloor Street and Dundas Street West area, without paying for their ride.
Police say the cab driver "followed them and demanded payment," at which point he was attacked.
The suspects were last seen heading north on Dorval Road.
Police have issued the following descriptions of the suspects:- A white male, approximately 18 to 20 years old. Clean-shaven with brown hair, he wore a dark, winter-style jacket and a baseball cap turned backwards.
- A white male, approximately 18 to 20 years old. Also clean-shaven with brown hair, he also had a winter-style jacket on. He also wore a baseball cap, though it was pointing forwards.
Police are looking for the public’s help in identifying the suspects. Anyone with information is asked to contact investigators at 416-808-1100.