Authorities are bracing for the possibility that a damaged chemical tank at a facility in Southern California could leak or explode.

Although officials are focused on measuring pressure, the crack eventually could allow authorities to gradually drain the chemicals.

A potential crack may be releasing pressure inside a toxic chemical tank in Garden Grove, officials said Sunday, a development they hope could help avert a devastating vapor explosion.

The threat of a catastrophic explosion at a Southern California chemical tank, which resulted in an evacuation order covering tens of thousands of Orange County residents, has largely been eliminated, ...

California officials have said the threat of a failing chemical tank in Orange County has been eliminated following an intervention overnight. The tank, which contained 6,000-7,000 gallons of the ...

May 26 (UPI) --Officials have reduced the size of the evacuation order in southern California, as the risk of a tank full of chemicals exploding has ended. About 16,000 people were still under ...

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.

Firefighters are racing to prevent a 7,000-gallon tank of methyl methacrylate from exploding in Orange County.

GARDEN GROVE, Calif. (AP) — A crack that formed by chance in an overheated chemical tank in Southern California relieved pressure and helped avert a catastrophic explosion, but officials said Tuesday ...

A crack has relieved some pressure in a damaged chemical tank and the temperature of the highly flammable gas inside is continuing to fall, leading authorities to say Monday they believe the risk of a ...