A Baton Rouge home sustained $100,000 in damage in an early morning fire Saturday.

Firefighters responded shortly after 1 a.m. to 9918 Rhine Ave., near BREC’s Mayfair Park, and found heavy smoke inside, said Mark Miles, Baton Rouge Fire Department spokesman.

Firefighters determined the fire started in the attic, but the cause was unclear. Foul play is not suspected, Miles said.

No one was home at the time of the fire, which caused $100,000 in damage, Miles said. Seven units responded.