Winnipeg police are investigating a homicide involving a man who was found in the city's Spence neighbourhood.

A passerby found the unconscious man near Cumberland Avenue and Spence Street at around 1:40 a.m. Saturday.

The man was taken to hospital, where he was later pronounced dead. He had injuries that are "considered suspicious in nature," police said in a news release.

Police say they are working on confirming the man's identity.

There is no word on how he died, and no arrests have been made at this time.