The threat of a major explosion at a Southern California aerospace facility is "off the table" after firefighters performed an all-night operation Sunday to test the pressure inside a cracked tank in ...

A man has been arrested on an involuntary manslaughter charge after a Fourth of July fireworks explosion killed a woman in her 20s, injured three others and sparked a massive car blaze in Southern ...

ALISO VIEJO, Calif. (AP) — An explosion that ripped through a Southern California day spa killed the owner, and investigators Wednesday were looking into whether she was targeted in the crime.

(CNN) — Officials have lifted all evacuation orders related to an overheating chemical tank in southern California, a day after a crack in the structure eliminated the risk of a catastrophic blast.

Add Yahoo as a preferred source to see more of our stories on Google. Officials say the risk of a massive explosion has been "eliminated" for California after a chemical leak in Orange County. CBS ...