The state fire marshal’s office is investigating the death of a Lockhart man after he died in an RV fire Monday.

The man was identified as 68-year-old Wayne Barrineau, a longtime Lockhart resident.

Lockhart Police Chief Ted Motley said emergency personnel were sent to Barrineau’s RV inside the Lake Naomi Trailer Park around 5:30 p.m.

According to fire reports, when firemen arrived, the RV was fully involved, and it took nearly 20 firefighters to extinguish the blaze.

Assistant state fire marshal Scott Pilgreen confirmed Tuesday that his office is investigating the fatality to determine the exact cause of the blaze, but Motley said police have an idea.

“We don’t know for certain what started the fire, but the evidence suggests it was started by a cigarette,” Motley said.

Other law enforcement personnel stated an autopsy would be done to determine Barrineau’s cause of death; however, foul play is not suspected, Motley said.

Responding to the fire were members of the Florala and Lockhart volunteer fire departments and the Lockhart and Florala police departments.