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

(Reuters) -United States Steel said on Friday a fatal blast that killed two and injured 10 others at its Clairton Coke Works ...

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

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

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

Two workers died and at least 10 people were injured after multiple explosions at the U.S. Steel Clairton plant.

Multiple people have been injured in Pennsylvania, and several medical helicopters have been dispatched to the area.

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

Flushing of a gas valve made during maintenance preparation may have led to the deadly explosion at the U.S. Steel Clairton Coke plant.

Todd Barrett was with a crew of laborers at the Clairton coke works that morning when they all felt something. It was an ...

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