All evacuation orders from a chemical emergency at a GKN Aerospace facility in Garden Grove, California, were lifted Tuesday after the tank stabilized.

A Garden Grove couple has sued GKN Aerospace for negligence after a chemical leak forced 50,000 evacuations. The lawsuit claims improper handling of methyl methacrylate. GKN Aerospace is working with authorities to resolve the issue safely.

A runaway reaction at GKN Aerospace caused a BLEVE, forcing 50,000 to evacuate as firefighters worked to prevent disaster.

The remaining 16,000 residents of Garden Grove, California, were allowed to return home Tuesday, days after the threat of a catastrophic explosion at a chemical tank prompted fears of an environmental disaster.

Crews at GKN Aerospace in Garden Grove discover a possible crack in the unstable chemical tank that officials say may be relieving pressure inside.

The chemical leak that triggered evacuations across a swath of Orange County on Friday is located at GKN Aerospace, a manufacturing company based in the United Kingdom.

GKN Aerospace, the company that owns the troubled chemical tank in Garden Grove that led to tens of thousands of people being evacuated this week, recently settled an air quality safety violation and agreed to pay a fine of more than $900,

GKN Aerospace Transparency Systems on May 23, 2026, in Garden Grove, California. Credit: Apu Gomes/ GKN Aerospace's parent company Melrose says one of its industrial sites in the U.S. has suffered a chemical accident and signaled it could cause operational disruptions.

The chemical crisis in Garden Grove, California, has pushed GKN Aerospace into the national spotlight for all the wrong reasons. With a volatile 34,000-gallon tank of methyl methacrylate