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."

About 40,000 people were under evacuation orders and schools shut down Friday in Southern California after a storage tank continued to leak a hazardous chemical that officials…

About 40,000 people are under evacuation orders and schools have shut down in Southern California due to a hazardous chemical leak.

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."

An official said there's no active leak, but evacuations orders are to prepare for either a spill or an explosion from a failing chemical tank.

Authorities in Southern California on Friday were racing to figure out how to prevent the explosion of a storage tank that has been leaking a hazardous chemical used to make…

Thousands evacuated in Southern California as officials manage a failing chemical tank to prevent potential leaks or explosions.

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.

About 40,000 residents evacuated after a chemical tank failure at a Garden Grove aerospace facility triggered safety concerns.

Firefighters were able to reduce the tank’s temperature, buying crews more time to stabilise the situation.

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.

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

...employees saw that the tank was bulging, a sign it was still “actively in crisis... It can crack and leak, or it can blow up.”

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

Authorities in Southern California on Friday were racing to figure out how to prevent the explosion of a storage tank that has been leaking a hazardous chemical used to make…

Tens of thousands of residents are under evacuation in Orange County due to a tank containing roughly 7,000 gallons of a toxic industrial chemical.

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.