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 ...

An explosion at a U.S. Steel plant near Pittsburgh left one person dead and sent at least 10 to hospitals Monday and heavily ...

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

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 ...

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

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

The death toll from an explosion at a US Steel plant in Pennsylvania on Monday has risen to two after one person who had been ...

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

Nippon Steel (OTCPK:NPSCY) (OTCPK:NISTF) promised to invest $14B to keep US Steel's aging plants operating for decades, but ...

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