Officials in Orange County, California, said the threat of a massive chemical explosion at an aerospace facility in Garden Grove has been eliminated.

Authorities in Orange County say they’re unable to control the valves on a tank that contains methyl methacrylate, a chemical used in the manufacture of plexiglass.

Authorities in Orange county say tank holding methyl methacrylate ‘actively in crisis’ and urge residents to leave

Around 40,000 people were ordered to evacuate parts of Southern California after a hazardous chemical leak at an aerospace manufacturing facility in Garden Grove triggered fears…