BIRMINGHAM, Alabama - A man died early today after he apparently fell off of the roof of downtown building.

A passerby walking his dog spotted the man in the alley behind the vacant building at 1918 First Ave. North, according to the Jefferson County Coroner's Office. Rescue workers pronounced the man dead on the scene at 5:58 a.m.

The incident is under investigation, but authorities believe he fell six stories to his death. There was scrap metal near his body.

Coroner's officials and police are trying to identify the man. More information will be released as it becomes available.