The Clairton Coke Works has seen accidents and emission violations. Will new owner Nippon Steel invest in one of the few ...

The air monitor generates a beam of infrared light, shoots it down to that mirror, which causes it to bounce back.

The fatal explosion last week at U.S. Steel’s Pittsburgh-area coal-processing plant has revived debate about its future just as the iconic American company was emerging from a long p ...

U.S. Steel said its investigation indicates the explosion happened when workers were flushing a gas valve in preparation for ...

Channel 11 spoke exclusively with United Steelworkers Local 1557 Vice President Richard Tikey, sharing his reaction to new details in the investigation into the deadly explosion at the Clairton Coke ...

Gwaley called DeHosse, who owns Sparkles by Shell, a Monongahela-based screen print and embroidery business. They are now ...

The preliminary findings say how the company believes the explosion occurred. A union statement cautioned the investigation ...

Family members tell Pittsburgh's Action News 4 Steven Menefee, a father of two, was a loving man who would give you the shirt ...

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