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

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

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

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 ...

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

Timothy Quinn, 39, of East Huntingdon Township, also died in the incident. Ten other people were injured. Three of them are ...

Data from the EPA and OSHA provide a glimpse into some of the previous violations and injury reports at the Clairton Coke ...

U.S. Steel Clairton Coke Works' current limited coke-making capacity due to Monday's explosion is prompting concerns.

The Allegheny County Health Department announced that Mobile Air Units will be deployed in the Mon Valley Thursday and Friday ...