In the last five years, U.S. Steel has paid more than $10 million in penalties for violations of the Clean Air Act at ...

The explosion, followed by several smaller blasts, could be felt in the nearby community and prompted county officials to ...

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

HARRISBURG, Pa. (AP) — The fatal explosion last week at U.S. Steel’s Pittsburgh-area coal-processing plant has revived debate ...

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

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

A devoted dad has been identified as one of the two steel workers killed from an explosion at a Pennsylvania steel plant on ...

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

United States Steel Corp. said Friday the fatal blast that killed two workers at its Clairton Coke Works facility in ...

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

It was about 13 years ago that AK Steel announced the closure of the coke plant in east Ashland. It was approximately 10 years ago that the plant was imploded. AK Steel retirees and former workers who ...