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.

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, ...

While "that is incredibly positive news," an official said, authorities are warning that danger still persists in Southern California Authorities now say the threat of a catastrophic explosion known ...

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.

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 ...

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 ...

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