BAY CITY, MI -- Police are investigating a suspected public suicide in Bay City.

Police at about 1:20 a.m. on Friday, Aug. 11, were dispatched to the west side of Liberty Bridge for a report of a body. Bay County Sheriff's deputies were first on scene and found a man hanging under the bridge, said Sheriff Troy R. Cunningham.

Deputies attempted CPR on the victim, who was transported to McLaren Bay Region hospital. Staff there pronounced him dead.

Authorities believe the death to be a suicide, Cunningham said.

The Bay City Department of Public Safety is conducting an investigation and an autopsy is pending. The man was about 30 years old. Police are not releasing his name.