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Officials said that the half-full paper mill tank spilled more than 1.9 million liters of ‘white liquor,’ a highly destructive chemical mixture

AP, LONGVIEW, Washington

Crews on Wednesday resumed a search for nine people presumed killed at a Washington state paper mill, where a chemical tank ruptured a day earlier in one of the deadliest US workplace incidents in years.The likely death toll rose to 11, including those missing, after another person who was injured died, authorities said.There was no hope of finding more survivors following Tuesday’s tank failure at Nippon Dynawave Packaging Co in Longview, which also injured another eight people, including a firefighter who was treated and released by a hospital, authorities said.

Diana Winther, left, and Kellie Webber, embrace during an evening vigil at R.A. Long Park in Longview, Washington, on Tuesday.