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Workers were heating coal and preparing for routine maintenance when an explosion rocked a U.S. Steel plant outside ...
21mon MSN
Gas valve failure during routine maintenance work may have led to fatal explosion, US Steel says
U.S. Steel says preparations for a routine maintenance task may have led to an explosion at a U.S. Steel coal-processing ...
Ten people were hospitalized after the blast at a coke plant in Clairton, Pa., near Pittsburgh. One person who had been ...
Emergency responders are working to free people trapped under rubble at the Allegheny County plant, the Associated Press has ...
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