A fire at a Georgia chemical plant apparently caused by a sprinkler head malfunction Sunday morning is forcing evacuations and road closures in the area, according to Rockdale County officials.

More than 90,000 residents in a county east of Atlanta have been told to keep sheltering in place a day after a chemical plant fire sent a massive plume of dark smoke high into the sky that could been

A fire at a chemical plant east of Atlanta is forcing evacuations in the area, according to local officials. A fire on the roof of a BioLab facility in Conyers, Georgia was reignited when water from a malfunctioning sprinkler head "came in contact with a water reactive chemical and produced a plume," county officials explained on their website.