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

A devoted dad has been identified as one of the two steel workers killed from an explosion at a Pennsylvania steel plant on ...

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

An explosion at a steel plant in Pennsylvania on Monday has led to an extremely serious situation. The explosion at the plant ...

An explosion at a U.S. Steel plant south of Pittsburgh killed two people and injured 10 others on Monday morning.

At least one person was killed and ten were hospitalized after an explosion at a U.S. Steel plant in Clairton, Pa.

Authorities confirmed a second fatality after an explosion at the U.S. Steel Clairton Coke Works facility outside of Pittsburgh.

An explosion rocked a steel plant outside Pittsburgh on Monday, leaving two dead and 10 others injured, including a person ...