PITTSBURGH - Pittsburgh homicide detectives are investigating the death of a man whose body was found on a bicycle trail near a city parking garage.

Police say the man may have been homeless and there are no immediate signs of foul play.

Police are not releasing the man's name, but say he was 53 years old.

Police say a bicyclist found the man's body about 11:30 p.m. Monday.

The Allegheny County Medical Examiner planned to perform an autopsy.