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

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 ...

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

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.

Two people were killed and 10 others were injured in an explosion at the U.S. Steel Clairton Coke Works plant on Monday.

The preliminary findings say how the company believes the explosion occurred. A union statement cautioned the investigation is in its early stages.

The deadly explosion at Clairton Coke Works near Pittsburgh occurred when a gas valve was flushed before planned maintenance, ...

An explosion at US Steel's Clairton Coke Works in Allegheny County, PA, left several injured. The plant sits along the ...

U.S. Steel on Friday pinned blame for the deadly explosion Monday at the Clairton Coke Works on a valve failure that led to ...