Deaths reported after chemical tank implodes at pulp and paper mill in Washington state

Updated on: May 26, 2026 / 3:12 PM EDT

/ CBS/AP

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Deaths have been confirmed following the implosion of a chemical tank at a pulp and paper mill in Washington state on Tuesday, local authorities and company officials said.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."The scene remains in the recovery phase as emergency responders continue operations," Longview Fire Department said in a statement on social media. "No identifying information regarding injured or deceased individuals will be released at this time pending notification of family members."Authorities said there was no immediate threat to the public.Mike Gorsuch, battalion chief with the Longview Fire Department, described it as a "mass casualty scene." He said first responders had decontaminated patients and taken them to hospitals in Longview and Vancouver, Washington.The fire department said a tank containing white liquor ruptured, CBS affiliate KIRO-TV reported. It wasn't immediately clear what kind of chemical was in the tank.

The exterior of the Nippon Dynawave Packaging Co. is shown, after a tank containing hazardous liquid imploded, on Tuesday, May 26, 2026, in Longview, Washington.