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

The threat of a toxic chemical tank explosion is off the table, but some 50,000 evacuated residents need to remain in place, fire officials in California said.

NEW YORK, May 24 (Reuters) - Experts trying to prevent a tank holding a highly toxic and flammable chemical from exploding in Southern California found a "potential crack" in the container that might ...

While "that is incredibly positive news," an official said, authorities are warning that danger still persists in Southern California ...

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

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