Officials race to cool down tank containing toxic chemical as 50,000 residents remain under evacuation order in California

KABC, KCBS, KCAL, CNN By Taylor Romine, Rebekah Riess, Sarah Dewberry, Alaa Elassar, CNN (CNN) — Emergency crews are working nonstop to prevent an overheating tank filled with a toxic chemical from leaking or triggering what could be a catastrophic explosion as approximately 50,000 residents in Orange County, California remain under an evacuation order. Earlier,