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

The exact locations and times for the units’ deployment will be based on real-time forecasts developed by ACHD and PADEP ...

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

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

The second person killed in Monday’s deadly explosion at the U.S. Steel Clairton Coke Works has been identified as ...

The second person killed in Monday’s deadly explosion at the U.S. Steel Clairton Coke Works has been identified.

Authorities on Thursday identified the second person who was killed in an explosion at U.S. Steel’s Clairton Coke Works ...

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

Ten others were injured, and people who live near the plant were urged to stay inside. Three explosions at U.S. Steel’s ...

Whether the U.S.-Russia summit can lead to a deal to produce peace in Ukraine more than 3 1/2 years after Moscow’s invasion ...

The U.S. Steel plant in Clairton, Pa., where an explosion killed two workers and injured 10 on Monday, has a history of ...