A shelter-in-place order remained in effect Monday in parts of greater Atlanta after a chemical fire at a pool cleaning facility shot plumes of black smoke into the air, forced evacuations and closed roads,

Rockdale County officials ordered people to evacuate the area near the BioLab plant in Conyers, Ga., and they said others should stay home to avoid the “harmful irritant chlorine.”

The fire ignited when a sprinkler head malfunctioned around 5 a.m. Sunday at the BioLab plant in Conyers, Rockdale County Fire Chief Marian McDaniel told reporters.

For everyone sheltering in place, the best practice is to turn the air conditioning off and keep windows and doors shut,” a statement said.

CONYERS, Ga. (AP) — More than 90,000 residents in a county east of Atlanta were told to keep sheltering in place Monday and businesses were told to stay closed a day after a chemical plant fire sent a massive plume of dark smoke high into the sky that could been seen from miles away.

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,

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