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Gas valve failure during routine maintenance work may have led to fatal explosion, US Steel says

Preparations for a routine maintenance task may have led to an explosion at a U.S. Steel coal-processing plant near ...

Investigators release new details on what caused the US Steel Clairton Coke Works explosion

U.S. Steel has released new details on what investigators believe caused the explosion at the Clairton Coke Works plant that ...

1 dead, 10 injured, 1 unaccounted for in explosion at Pennsylvania steel coking plant

• At least one person is dead, 10 injured and one unaccounted for in an explosion at the Clairton Coke Works in Pittsburgh, ...

Massive rescue effort led to pulling workers from debris of Pennsylvania steel plant explosion

Workers were heating coal and preparing for routine maintenance when an explosion rocked a U.S. Steel plant outside ...

After Fatal Explosion, Focus Turns to Steel Mill’s Future and Past

The mill, which is part of the recent merger between U.S. Steel and Nippon Steel, has faced scrutiny from federal and local ...

Devoted dad of 3 was among the 2 steel workers killed in explosion at Pennsylvania plant

A devoted dad has been identified as one of the two steel workers killed from an explosion at a Pennsylvania steel plant on ...

Air quality concerns linger in the wake of steel plant explosion in Pennsylvania

Allegheny County is increasing air quality monitoring after an explosion at a U.S. Steel plant south of Pittsburgh killed two ...

Two people killed in Pennsylvania steel factory explosion, at least 10 injured

“It is with profound sadness that I share with you that the U. S. Steel colleague who had been unaccounted for has been ...

2nd person killed in U.S. Steel explosion remembered as loving man with strong faith

Family members tell Pittsburgh's Action News 4 Steven Menefee, a father of two, was a loving man who would give you the shirt ...