The investigation into the Tuesday chemical tank implosion at the Nippon Dynawave plant in Longview is ongoing.

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

With nine other people still missing, governor fears ‘deadliest industrial tragedy in modern Washington state history’

The bodies of six employees have been recovered after a chemical tank ruptured at a paper mill in Washington state, officials said Thursday.

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

A large amount of material spilled into a ditch near the site of the deadly tank implosion at a paper mill in Longview. The total death toll is believed to be 11.

Rescuers are working in an ;active and hazardous recovery environment’ to recover three more victims.

Discovery brings death toll from chemical tank rupture in Longview to nine, with two workers still unaccounted for

The investigation into the Tuesday chemical tank implosion at the Nippon Dynawave plant in Longview is ongoing.

The death toll from a chemical tank rupture at a paper mill in Washington state has risen to 11 after recovery teams located the bodies of all nine workers who had been reported…

Death toll from a chemical spill at a Washington paper plant rises to 11 as rescuers recover all missing workers.

The death toll from a chemical tank rupture in the US state of Washington climbed to 11 as crews recovered the bodies of all nine missing people, authorities said.

A week after the white liquor tank implosion in Longview, Washington, all missing victims have been recovered and the community mourns the 11 people killed. Implications are…