A damaged chemical tank in Southern California has a crack, potentially lowering the risk of a cataclysmic explosion, though ...

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

The threat of a chemical tank exploding in Southern California has dwindled, but other risks remain, Orange County fire officials said.

For many Southern California residents who were evacuated after a chemical tank overheated, the relief of finally being ...

Southern California officials lifted the final evacuation orders for residents who live near a damaged chemical tank Tuesday.