Firefighters investigate massive 2-alarm business fire in Chamblee

CHAMBLEE, Ga. - Firefighters are working to determine what sparked a massive blaze at a business in DeKalb County. 

The fire started around 8 a.m. Thursday in the 5700 block of New Peachtree Road, which is in Chamblee.

Flames were seen shooting through the roof of the building, which Captain Eric Jackson described as some type of auto body shop. Captain Jackson said on Twitter firefighters aren't sure what caused the fire, but explosions did take place prior to the fire starting

The fire damaged two businesses and smoke damaged two more businesses. Because of the extend of the blaze, fire officials said they struck a second alarm. About 50 firefighters worked to control the blaze.

No one was in the buildings at the time the fire started.

One firefighter suffered a shoulder injury while battling the fire from outside the building.

The cause of the fire is still under investigation.