WALHALLA, S.C. (WSPA) – The Oconee County Coroner’s Office said a homeless man’s body was found early Wednesday morning at the West Union Post Office.

Coroner Karl Addis said Charles Edward Griffin, 64, was found laying face down on the floor near the side entrance of the post office, located at 190 South Highway 11.

Addis said it appeared Griffin planned to sleep in the lobby area. He was found beside of an electric inflatable air mattress.

Addis said it appears Griffin had some type of medical event and collapsed, injuring his face. He died between 1 – 3 a.m. An autopsy found he sustained a sudden cardiac death due to cardiovascular disease, according to the coroner’s office. His manner of death was classified as natural.

The coroner’s office, the West Union Police Department and the Oconee County Sheriff’s Department will continue to investigate.