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

About 40,000 people are under evacuation orders and schools have shut down in Southern California due to a hazardous chemical leak.

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.

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…