BUFORD, Ga. — Firefighters are investigating an incident that sparked at the Mall of Georgia Tuesday morning.

Crews were called to Buford Drive in Buford at 5:38 a.m. A bystander called 911 and reported a fire at the Mall of Georgia food court, authorities said.

When firefighters arrived, they found the fire developing in a first-floor storage room behind of the restaurants in the mall food court, investigators said.

The fire triggered the sprinkler system. Despite the low visibility, crews were able to use its hose to extinguish the flames. Mall workers and security were evacuated during the fire.

The building’s ventilation system was used to remove residual smoke from the and fire units brought in fans to ventilate parts of the building.

The storage room sustained heavy fire damage; there were no injuries.

Crews have determined the fire started from an electrical issue with a light fixture.