A smoke investigation happened at Arby's in Lakesite following a reported fire.

It happened at the location in the 8400 block of Hixson Pike.

A fire official on the scene says a heating and air unit was blowing heavy amounts of smoke into the restaurant, leading fire crews to believe there was a fire.

Firefighters didn't find a fire inside Arby's; however, they found the A/C unit's motor on fire on the roof of the restaurant and quickly put it out.

Officials say damage was minimal and no one was injured.

Arbys' management expected to reopen by this evening.

Stay with WRCBtv.com for updates to this story.