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

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

United States Steel said on Friday a fatal blast that killed two and injured 10 others at its Clairton Coke Works plant near ...

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

United States Steel Corp. said Friday the fatal blast that killed two workers at its Clairton Coke Works facility in ...

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

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

The deadly blast at the U.S. Steel facility outside Pittsburgh was just the latest in a series of recent workplace accidents.

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

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