Emergency crews in Orange County faced a fourth day of trying to secure a bulging pressurized tank loaded with 7,000 gallons of methyl methacrylate.

Orange County firefighters were set to conduct another overnight operation on Monday to mitigate a chemical incident at GKN Aerospace in Garden Grove, where a compromised tank containing highly flamma...

Emergency crews continue to work around the clock to prevent a chemical plant in Garden Grove from leaking or exploding, with an estimated 50,000 Orange County residents under evacuation orders.

Concerns over a possible explosion or leak prompted evacuation orders for tens of thousands of residents, many of whom are staying in shelters.