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

What to Know A compromised chemical storage tank at Garden Grove’s GKN Aerospace facility is threatening to leak its toxic contents or explode in what authorities called an unprecedented emergency.

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

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

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

An unmitigatable overheated chemical tank containing toxic methyl methacrylate at GKN Aerospace has forced the evacuation of 40,000 residents in Garden Grove, Westminster, Stanton, and Anaheim.

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

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 ...

The damaged chemical tank in Garden Grove may have a crack in it, “which could potentially be relieving some of the pressure" and lower the risk of an explosion, fire officials said Sunday.

The exact nature of the damage, and what contingencies are in place to deal with it, have not been made clear.

Thousands are under evacuation orders in California as officials work to cool off an overheating chemical tank at risk of exploding.

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