Approximately 40,000 residents in Orange County, California, were ordered to evacuate their homes on Friday, May 22, 2026, amid fears that a tank containing a toxic chemical could explode, according to local authorities. The evacuation order was issued for areas near a rail yard in the city of Orange, where a tank car carrying a hazardous material was reported to be unstable.
Officials from the Orange County Fire Authority and the city of Orange Police Department stated that the tank contained a chemical that could pose a risk of explosion if not properly stabilized. The exact chemical was not immediately disclosed, but authorities emphasized the potential for a catastrophic event if the tank were to rupture.
Evacuation centers were set up at local schools and community centers to accommodate displaced residents. The American Red Cross was assisting with shelter and supplies. As of the latest reports, no injuries or explosions had occurred, and crews were working to safely stabilize the tank.
The incident prompted a large emergency response, with hazmat teams and bomb squad personnel on site. Residents were advised to avoid the area and to follow instructions from law enforcement. The cause of the instability was under investigation.
