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

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

More than 50,000 people in California remain evacuated due to an Orange County chemical leak that prompted Gov. Newsom to request that President Trump issue a Federal Emergency Declaration.

Tens of thousands of residents have been evacuated and Gov. Gavin Newsom has declared an emergency as officials try to thwart an explosion at the facility in Orange County.

Officials have lifted all evacuation orders related to an overheating chemical tank in southern California, a day after a ...

Authorities in Southern California are bracing for the possibility that a volatile chemical tank could either rupture or explode, as emergency crews worked through the night on what officials ...

Federal agents were looking for records that might shed light on why chemicals overheated, threatening a catastrophe in ...

Some 50,000 residents in the densely populated area are under evacuation orders.

An all-night operation confirmed a crack in the tank in relieving atmosphere and pressure, OC fire officials say.

A crack has relieved some pressure in a damaged chemical tank and the temperature of the highly flammable gas inside is continuing to fall, leading authorities to say Monday they believe the risk of a ...

Add Yahoo as a preferred source to see more of our stories on Google. A pressurized tank filled with methyl methacrylate is sprayed with water at GKN Aerospace in Garden Grove on Saturday. (Jeff ...

Three people were injured Thursday after a propane tank explosion destroyed homes in Wayne County, Pennsylvania.