En person er bekreftet død og ni andre er ikke gjort rede for etter at en kjemikalietank imploderte ved en papirfabrikk i den amerikanske delstaten Washington.

Nippon Dynawave Packaging Co. and local first-response agencies confirmed that there had been fatalities.

Multiple people have died, and at least 10 others are believed to be injured following an implosion of a chemical tank in Washington State.