Chemical leak in California: California declared a state of emergency after a toxic chemical leak at a Garden Grove manufacturing facility. A tank of methyl methacrylate (MMA) overheated, forcing nearly 50,000 residents to evacuate due to fears of rupture or explosion. Crews worked to cool the unstable tank, which releases hazardous and flammable vapors.

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…