LOS ANGELES, May 24 — Firefighters warned yesterday that a tank of toxic chemicals in California is heating up, adding to fears of a catastrophic explosion that has already...

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.

Officials fear a failing chemical tank holding flammable chemicals is going to spill or explode

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…