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

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

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

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.

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 of a liquor storage tank at Nippon Dynawave mill, which killed several employees, raises urgent safety concerns as investigators continue to review.

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 Tuesday that the tank’s rupture caused ...

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, ...