Hello and welcome to the details of Thousands evacuated in California as chemical tank leak sparks explosion fears and now with the details
Nevin Al Sukari - Sana'a - A person walks by a blocked-off road as a chemical incident involving a failing tank of flammable liquid called methyl methacrylate, used in the aerospace industry, has forced an evacuation in the surrounding area in Garden Grove, California, May 22, 2026. — Reuters pic
LOS ANGELES, May 23 — Tens of thousands of people were ordered to leave their homes in California yesterday after a huge chemical tank began leaking, with warnings it might blow up, sending toxic fumes over a heavily populated area.
The tank contained 7,000 gallons (26,000 litres) of methyl methacrylate, a volatile and flammable liquid used to make plastics, with firefighters warning the situation was looking grim.
“There are literally two options left,” Incident Commander Craig Covey said.
“The tank fails and spills a total of about 6-7,000 gallons of very bad chemicals into the parking lot in that area or, two, the tank goes into a thermal runaway and blows up, affecting the tanks around them that have fuel or chemicals in them as well.
“We are setting up these evacuations in preparation for these two options: it fails, or it blows up.
“Please follow our requests and orders for evacuations,” he emphasized.
The incident was unfolding in the Garden Grove area of Orange County, southeast of Los Angeles.
Garden Grove Police Chief Amir El-Farra said about 40,000 people were affected by the evacuation order, with several thousand refusing to leave their homes.
Aerial footage filmed by local TV stations showed jets of water being sprayed at the tank, which has a capacity of 34,000 gallons.
‘Best-case scenario’
Orange County health officer Regina Chinsio Kwong said the large exclusion zone around the tank was a necessary precaution.
“If it does explode and there is a vapor, you are all safe as long as you are out of the zone that was determined to be an evacuation zone,” she said in a video update.
She appealled for anyone who might notice “a fruity and heavy smell” to alert authorities.
“Smelling it doesn’t mean you’ve reached a level that causes symptoms. But we don’t want you to smell that. So we need to know if you’re smelling it.”
No injuries had been reported by Friday afternoon, and there was no immediate indication as to what caused the leak, which was initially reported on Thursday.
Covey said crews were preparing for a chemical spill, which he described as a “best-case scenario” and far preferable to an explosion and toxic plume.
Responders were working to put containment barriers in place to prevent any spilled material from reaching storm drains or river channels that funnel into the ocean.
The US Environmental Protection Agency says methyl methacrylate is irritating to the skin, eyes, and mucous membranes in humans.
“Respiratory effects have been reported in humans following acute (short-term) and chronic (long-term) inhalation exposures,” a fact sheet on the agency’s website says.
“Neurological symptoms have also been reported in humans following acute exposure.” — AFP
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