Explosions at a massive United States Steel mill in Western Pennsylvania left two people dead and at least 10 injured, according to officials from Allegheny County and U.S. Steel. The explosions ...

The Clairton Coke Works Plant in the Mon Valley plays an essential role in steelmaking in the United States. The century-old plant was the site of an explosion Monday that killed two people and left ...

U.S. Steel Clairton Coke Works' current limited coke-making capacity due to Monday's explosion is prompting concerns from some steelworkers that the plant won't produce enough coke for U.S. Steel's ...