Experts say implosions of this kind are extremely rare – and do not happen by themselves. The KING 5 Investigators looked ...

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

State regulators have launched a formal investigation into a catastrophic chemical tank implosion at the Nippon Dynawave ...

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 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.

The damaged tank at Nippon Dynawave Packaging Co. held approximately 900,000 gallons of white liquor, a chemical used in paper processing, authorities said.

The implosion caused the huge circular tank to buckle and collapse on one side, and officials said they would only work ...

The implosion of a liquor storage tank at Nippon Dynawave mill, which killed several employees, raises urgent safety concerns ...

A catastrophic incident occurred at a Nippon Dynawave Packaging facility in Washington, causing a chemical tank to implode, ...

Authorities said they don't yet know what caused a 900,000-gallon vat at the Nippon Dynawave Packaging facility to implode.