California crews conducted an overnight operation at the site of a chemical leak in Orange County and said Monday that the threat of an explosion is "off the table."

Southern California officials have expanded an evacuation zone in several Orange County cities over a toxic chemical tank that they say is "actively in crisis."

Authorities in Orange County say they’re unable to control the valves on a tank that contains methyl methacrylate, a chemical used in the manufacture of plexiglass.

Officials fear a failing chemical tank holding flammable chemicals is going to spill or explode

Southern California officials have expanded evacuations in several Orange County cities due to concerns over a leaking toxic chemical tank that they say is "actively in crisis."

'This thing is going to fail. We don't know when,' Orange County Fire Authority Division Chief Craig Covey warned during a tense emergency briefing Friday.

Chemical tank leak in Garden Grove forces 40,000 evacuations as crews race to prevent a possible explosion at a Southern California aerospace plastics plant.

Stay up to date with notifications from The IndependentNotifications can be managed in browser preferences.AllNewsSportCultureLifestyleWater is sprayed on a tank that overheated…

Southern California officials are desperately searching for a safe resolution to a leaking toxic chemical tank at an aerospace facility.

California's governor declared a state of emergency in Orange County on Saturday as emergency crews continue their efforts to cool down an overheated chemical storage tank and…

Efforts are on to stabilize a damaged chemical tank at a facility in Southern California where tens of thousands of people have been ordered out of their homes.

California Governor Gavin Newsom declared a state of emergency for Orange County and his office pleaded for residents to follow evacuation orders.

Southern California officials are desperately searching for a safe resolution to a leaking toxic chemical tank at an aerospace facility.

California declares state of emergency in Orange County after chemical incident-

Newsom said the state is 'mobilizing every resource available' after more than 40,000 residents were ordered to evacuate Orange County.

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 the city of Garden…

Firefighters warned on Saturday that a tank of toxic chemicals in California is heating up, adding to fears of a catastrophic explosion that has already forced tens of thousands…

Thousands are under evacuation orders in California as officials work to cool off an overheating chemical tank at risk of exploding.

More than 50,000 people in California remain evacuated due to an Orange County chemical leak that prompted an emergency proclamation from Gov. Gavin Newsom.

Orange County Fire Authority Capt. Wayhowe Huang said officials will be continuing to evaluate the tank Sunday after emergency crews spotted the potential crack overnight. As of…

About 50,000 people in Orange County have been told to evacuate the danger zone around the tank.