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

Tens of thousands of residents throughout Garden Grove, Anaheim, Stanton, Buena Park, Cypress and Westminster are under ...

California Governor Gavin Newsom on Saturday proclaimed a state of emergency for Orange County days after a reported chemical ...

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

Emergency crews are sending an urgent warning that a chemical leak coming from a large storage tank at a Garden Grove ...

Tens of thousands told to evacuate after a 34,000-gallon tank of methyl methacrylate leaked at an aerospace plastics facility ...

The leak happened when an industrial chemical became overheated inside a 34,000-gallon tank, prompting a release of vapors ...