Garden Grove Chemical Plant Crisis: What to Know and Evacuation Map

Firefighters continue to cool a chemical storage tank with water to prevent it from breaching or exploding. Some 40,000 residents near the Orange County plant have been evacuated to shelters.

Firefighters continue to cool a chemical storage tank with water to prevent it from breaching or exploding. Some 40,000 residents near the Orange County plant have been evacuated to shelters.

Firefighters continue to cool a chemical storage tank with water to prevent it from breaching or exploding. Some 40,000 residents near the Orange County plant have been evacuated to shelters.