The explosion, followed by several smaller blasts, could be felt in the nearby community and prompted county officials to ...

U.S. Steel says preparations for a routine maintenance task may have led to an explosion at a U.S. Steel coal-processing ...

U.S. Steel released preliminary findings about the potential cause of Monday's deadly explosion at U.S. Steel Clairton Coke ...

Two people are dead and 10 others injured after an explosion at U.S. Steel’s Clairton Coke Works near Pittsburgh. The ...

U.S. Steel says it believes a gas valve failure led to the explosion Monday morning at its Clairton Coke Works, in which two ...

Two workers died after an explosion at the U.S. Steel Clairton plant near Pittsburgh, Pennsylvania. At least 10 other people ...

An explosion at a U.S. Steel plant near Pittsburgh on Monday left two people dead and at least 10 others injured, Allegheny ...

One person has died and dozens are reportedly injured or trapped under rubble following an explosion at a U.S. Steel plant ...

Allegheny County is boosting air monitoring after a deadly explosion at U.S. Steel’s Clairton Coke Works, a plant with a ...

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