A large chemical fire in Rockdale County has forced tens-of-thousands of people to be placed under an evacuation on Sunday. Officials estimated that nearly 17,000 people were in the zone.

partly because of the large size of the evacuation zone. The fire ignited when a sprinkler head malfunctioned around 5 a.m. Sunday at the BioLab plant in Conyers, Rockdale County Fire Chief Marian ...