After deadly explosion at US Steel mill outside Pittsburgh, maintaining safety now falls to Nippon

Last year, an explosion at U.S. Steel's Clairton Coke Works outside Pittsburgh killed two U.S. Steel workers and injured 11 ...
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Pennsylvania steel mill explosion leaves 1 dead, others hurt or trapped under rubble

CLAIRTON, Pa. (WHTM) – Explosions at a U.S. Steel plant that shook the ground near Pittsburgh left one dead and sent at least 10 to hospitals Monday, with emergency workers still searching the badly ...