In the video, the hatch of a fuel storage tank is blown off by an explosion ...

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

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

Firefighters contending with a dangerously overheating industrial tank of a hazardous chemical in Southern California have ...

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Tens of thousands of residents have been evacuated and Gov. Gavin Newsom has declared an emergency as officials try to thwart an explosion at the facility in Orange County.

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

Last month, tens of thousands of people fled their homes after officials said a chemical tank was at risk of exploding.

The exact nature of the damage, and what contingencies are in place to deal with it, have not been made clear.

An all-night operation confirmed a crack in the tank in relieving atmosphere and pressure, OC fire officials say.

A damaged chemical tank in Southern California has a crack, potentially lowering the risk of a cataclysmic explosion, though an evacuation order remains in effect for some 50,000 area residents with ...