Units were cleared from the incident at 1:05 a.m.
Investigators determined the fire started near the southwest corner of the building in the exterior eave. Fire officials said the only ignition source in that area is lights. Fire investigators noted that the breaker controlling the lights had been tripped, and that an electrician had recently worked on the lights.
Most of the fire damage was to the outside of the building, with smoke and light fire damage to the interior.
The inside of restaurant sustained water damage from the building’s fire sprinkler system as well as from the firefighters putting out the blaze.
No injuries were reported.
The restaurant will be closed for at least three or four days for repairs and cleaning.