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

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

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 ...

The second person killed in Monday’s deadly explosion at the U.S. Steel Clairton Coke Works has been identified.

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

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

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

The U.S. Steel plant in Clairton, Pa., where an explosion killed two workers and injured 10 on Monday, has a history of ...

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

U.S. Steel has released new details on what they believe caused the explosion at the U.S. Steel Clairton Coke Works plant that killed 2 people and injured 10 others.

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