At least one dead, 9 unaccounted for after chemical implosion at Washington plant

Deaths have been confirmed at the scene of an implosion at the Nippon Dynawave Packaging plant in Longview, Washington, with some people critically injured and some unaccounted for.

At least one person was dead and nine others were unaccounted for after an implosion at a manufacturing plant in southwestern Washington, officials said Tuesday.

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Local law enforcement, fire department and company officials said in a joint statement that a tank containing white liquor, a chemical used in the paper-pulping process, ruptured early Tuesday at Nippon Dynawave Packaging in Longview.

At least nine other people, including a firefighter, were injured. The severity of the injuries ranged from minor to critical, officials said. Some victims had burns or inhalation injuries.