CHATTANOOGA, TN (WRCB) -- Chattanooga firefighters responded to a commercial structure fire Sunday morning.

Officials say they responded to 2158 West Shepard Road around 9:30 a.m.

Crews on the scene say smoke was coming from the roof of the building. They had to remove the security bars to gain access but were able to douse the fire quickly.

The main damage was limited to the attic. The structure sustained smoke and water damage. Officials estimate $12,000 in damages.

No injuries were reported.

The cause is unknown at this time.