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

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

Experts explain what was inside the tank, what may have caused it to implode and why the chemicals are so dangerous.

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

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

In a joint statement, Nippon Dynawave Packaging Co. and local law enforcement said the tank's rupture caused "multiple critical injuries" as well as fatalities. Authorities said some victims suffered ...

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

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

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