US, Los Angeles: Garden Grove Toxic Tank Leak Hazmat Incident with SOT.

Los Angeles, United States - May 23, 2026 05/23/2026 12:10 am GMT-0700 GARDEN GROVE, Calif. – The Orange County Fire Department, along with multiple agencies from neighboring cities, is working to contain a toxic chemical hazard at the Aerospace facility located in the 12100 block of Western Avenue in Garden Grove. Firefighters are focused on managing a 34,000-gallon tank containing methyl methacrylate, a volatile, highly flammable chemical at risk of explosion. The incident began on the afternoon of May 21, 2026, when the leak occurred at approximately 3:30 p.m. As a precautionary measure, several neighborhoods and residents have been evacuated due to the potential for an explosion. Evacuated residents were directed to safety at the Los Alamitos Race Course, located on Katella Avenue in Los Alamitos, and Savanna High School in Anaheim. About 10 to 15 employees from the aerospace facility have arrived at the command post to assist with the situation. Garden Grove police, along with various external agencies, are collaborating to close multiple streets around the potential explosion zone.