LOS ANGELES, May 27 — A number of people have died and several have been badly injured after a chemical leak at a plant in the northwestern US state of Washington, officials said...

A tank of white liquor imploded at the Nippon Dynawave Packaging Company in southern Washington state on Tuesday.

Authorities have confirmed that one person died and 9 others remain unaccounted for after a chemical tank imploded at a pulp and paper mill in Washington state