Days after mass evacuations were ordered in Orange County, the next few hours could be crucial in dealing with a volatile ...

A potential crack may be releasing pressure inside a toxic chemical tank in Garden Grove, officials said Sunday, a ...

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

The battle to keep a highly toxic chemical from exploding took a step backward Saturday.

Firefighters were battling a dangerous commercial blaze in South El Monte Wednesday afternoon, with propane tanks exploding at a property on North Tyler Avenue, according to Los Angeles County fire ...