(Adds dropped word "says" to headline) May 23 (Reuters) - Firefighters trying to prevent an explosion in a tank of hazardous ...

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

Thousands of residents in California’s Orange County were evacuated after firefighters warned a leaking tank containing toxic chemicals could explode as temperatures inside continued to rise ...

The tank at GKN Aerospace is estimated to contain 7,000 gallons of methyl methacrylate, a volatile chemical used to produce plastics.

Tens of thousands of people in southern California, however, remain under evacuations orders due to the failing chemical tank ...

The tank contains 26,000 litres of a flammable liquid used to make plastics, with firefighters warning the situation was ...

US officials credit overnight cooling and monitoring for stabilizing tank after leak fears triggered mass evacuation ...

Schools were closed and evacuation zones expanded across six Orange County cities as authorities warned a storage tank ...

Evacuation orders have been issued in portions of the cities of Garden Grove, Anaheim, Buena Park, Cypress, Stanton and ...

US firefighters warned a tank of toxic chemicals in California is heating up, adding to fears of a catastrophic explosion ...

Firefighters are left without any options to prevent the tank, filled with a toxic chemical, from collapsing or exploding.