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.

A tank at a Garden Grove aerospace plant came within a crack of exploding and forcing a toxic chemical cloud over 50,000 evacuated residents — here's what regulators knew before it happened.

Throughout the Cold War, the Soviet Union was a world leader in the production and development of tanks. Tanks like the T-64 ...

Add Yahoo as a preferred source to see more of our stories on Google. 11 presumed dead as recovery efforts resume in Washington chemical tank rupture that sent contamination into Columbia River Search ...

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

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

Authorities braced for the possibility that a damaged chemical tank in Southern California could leak or explode as an evacuation order continued into the Memorial Day weekend for 40,000 residents ...

Southern California officials have expanded evacuations in several Orange County cities due to concerns over a leaking toxic chemical tank that they say is "actively in crisis." ...

Crews battled a large fire that erupted at a pallet yard in the city of Orange overnight. The incident started around 1:30 a.m. Wednesday on North Batavia Street, according to the Metro Cities Fire ...

In our news wrap Monday, Southern California authorities say a tank full of hazardous chemicals is no longer a threat to explode, the WHO head says at least 220 people have died from the ongoing Ebola ...