The death toll in Washington state is rising after a chemical tank rupture led to an explosion at a paper mill in Longview Tuesday. As of Thursday morning, two people have been confirmed dead, and

Orange County residents react to evacuation after chemical tank explosion threat Close Evacuees described feeling "anxious to get back home" following the threat from a failing chemical tank exploding in Orange County.

The exact nature of the damage, and what contingencies are in place to deal with it, have not been made clear.

The rupture caused the huge circular tank to buckle on one side, and officials said they would only work during daylight because of the dangers.