CONYERS, Ga. — Conyers, a city of roughly 17,000, has been evacuated and surrounding Rockdale County, with a population of nearly 100,000, is under shelter-in-place guidance continuing into the early morning hours of Monday after a fire at a BioLab facility and resulting chemical plume.

Some residents east of Atlanta were evacuated while others were told to shelter in place to avoid contact with a chemical plume after a fire at a chemical plant. Rockdale County Fire Chief Marian McDaniel told reporters that a sprinkler head malfunctioned around 5 a.