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More than 50,000 people in California remain evacuated due to an Orange County chemical leak that prompted Gov. Newsom to request that President Trump issue a Federal Emergency Declaration.

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

Emergency crews are working nonstop to prevent an overheating tank filled with a toxic chemical from leaking or triggering ...

Officials reduced the zone of evacuation orders near a Garden Grove, California, chemical tank, after the risk of a "worst-case scenario" has passed.

All evacuation orders were officially lifted on Tuesday, allowing the final 16,000 evacuated Orange County residents to return home.

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.

Some 50,000 residents in the densely populated area are under evacuation orders.

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

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

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