Trump signed an emergency declaration for a chemical leak in Orange County, California, providing federal assistance. Governor Newsom had requested federal intervention. The leak caused evacuations of nearby residents, and environmental agencies are assessing contamination scope.

California has declared a state of emergency as a tank containing approximately 7,000 gallons of methyl methacrylate faces potential explosion risk. Thousands of nearby residents have been evacuated, and firefighters continue working to cool the tank. According to BBC and the New York Times, the chemical is toxic and highly flammable; an explosion would release large amounts of toxic gas. The cause of the incident is under investigation.