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

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

Timothy Quinn, 39, of East Huntingdon Township, also died in the incident. Ten other people were injured. Three of them are ...

Two workers were killed and nearly a dozen were injured while they were preparing for a maintenance project at the Clairton facility.

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

Producers of metals and other raw materials declined as an elevated wholesale inflation reading drove up the value of the U.S. dollar. Chilean copper giant Antofagasta posted an increase in first-half ...