A massive chemical tank holding nearly a million gallons of a highly corrosive liquid imploded and collapsed Tuesday at a ...

The tank ruptured Tuesday at the Nippon Dynawave Packaging Co. facility in Longview, a city located along the southern Washington border with Oregon, killing 11 people.

State regulators have launched a formal investigation into a catastrophic chemical tank implosion at the Nippon Dynawave Packaging facility that killed 11 people and left others seriously injured.

At least one person has died, nine people are injured and nine employees remain unaccounted for after a deadly chemical tank rupture Tuesday at a paper plant in Washington state, fire officials said.

The Washington State Department of Ecology has released detailed images from the Nippon Dynawave paper mill plant in Longview ...