Workers were heating coal and preparing for routine maintenance when an explosion rocked a U.S. Steel plant outside ...

Allegheny County is increasing air quality monitoring after an explosion at a U.S. Steel plant south of Pittsburgh killed two ...

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

Regulators are temporarily stepping up pollution monitoring in the Mon Valley after a deadly explosion at U.S. Steel’s ...

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

The health department began deploying mobile air units Thursday provided by Pennsylvania’s Department of Environmental ...

Clairton, Pennsylvania was rocked Tuesday by an explosion at the U.S. Steel Clairton Coke Works. Clairton Mayor Richard Lattanzi reflects on the sad day.

A second Westmoreland County man was identified as the other victim who was killed Monday in an explosion at U.S. Steel’s ...

The office of the Allegheny County medical examiner identified a second man who was killed in an explosion at the Clairton ...