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Preparations for a routine maintenance task may have led to an explosion at a U.S. Steel coal-processing plant near ...
U.S. Steel says preparations for a routine maintenance task may have led to an explosion at a U.S. Steel coal-processing ...
A gas valve failure caused the explosion at Clairton Coke Works on Monday morning that killed two people, U.S. Steel said Friday. Why it matters: The massive Mon Valley facility — one of the largest ...
Family members tell Pittsburgh's Action News 4 Steven Menefee, a father of two, was a loving man who would give you the shirt ...