A potential crack may be releasing pressure inside a toxic chemical tank in Garden Grove, officials said Sunday, a development they hope could help avert a devastating vapor explosion.

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

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

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

Firefighters on Saturday were trying to cool a chemical tank “literally on the edge” of exploding in Garden Grove, California, as they worked to avert a disastrous “worst-case” scenario, the incident’s commander said.

An emergency hazmat incident at an aerospace facility in Garden Grove, California, has prompted evacuations in the area, May 22, 2026. (KABC) (LOS ANGELES) — The evacuation zone around a failing chemi

May 25 (Reuters) - Firefighters contending with a dangerously overheating industrial tank of a hazardous chemical in Southern California have eliminated the possibility of the tank exploding after a crack relieved some of the mounting pressure,

The threat of an explosion due to pressure and heat inside a volatile toxic chemical tank at a California aerospace facility has been eliminated.