A man was found dead after a Sunday morning fire in Old Orchard Beach.

Firefighters and police were called to Usen Lane residence about 9:23 a.m. for a cardiac event, according to Shannon Moss, a spokesperson for the Maine Department of Public Safety.

When they arrived, authorities discovered 70-year-old John Chadbourne dead inside the living room and that a fire had broken out inside, Moss said Wednesday.

The fire remains under investigation.

No additional information was immediately available.