Firefighters contending with a dangerously overheating industrial tank of a hazardous chemical in Southern California have ...

All evacuation orders tied to a failing chemical tank in Southern California that sparked fears of a catastrophic explosion have been lifted, local authorities announced Tuesday evening.

Although officials are focused on measuring pressure, the crack eventually could allow authorities to gradually drain the chemicals.

An "unprecedented" situation was taking hold in Orange County on Friday, as a chemical tank was at risk of spewing a highly toxic chemical that can cause severe respiratory distress and ...