Gov. Gavin Newsom and other elected officials in Southern California had requested that President Donald Trump approve an emergency declaration.

Officials said Monday that the worst-case scenario, a massive explosion, had been averted. But it’s unclear how the emergency ...

Authorities — scrambling to find a safe resolution after a tank containing a hazardous chemical at a Southern California ...

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