U.S. Steel says it believes a gas valve failure led to the explosion Monday morning at its Clairton Coke Works, in which two ...

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

Pittsburgh Action News 4 has confirmed at least two people have died and nine others have been injured after multiple ...

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

A medical examiner has released the name of the second person killed in the U.S. Steel Clairton Coke Plant explosion.The Allegheny County Medical Examiner's Office has released the following ...

The explosion sent a cloud of toxic smoke spiraling from the Clairton Coke Works in Pittsburgh after locals heard a loud boom ...

An explosion at a US Steel plant in Pennsylvania, near Pittsburgh, killed two people and injured at least 10 on Monday, ...

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

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

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

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

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