Biddeford police are investigating the death of a man whose body was found Monday morning in a downtown parking lot.

Someone called 911 around 6 a.m. to report the discovery of a man’s body in the parking lot of an apartment building at 24 State St., Biddeford police said. Police believe the man to be around 23 years old, but have not released any information, including his name or where he was from.

Police characterized the death as “unexplained.” The Office of the Chief Medical Examiner will assist with the investigation.

Police say no other details will be released until the investigation is complete.