HARRISBURG, Pa. (AP) — Preparations for a routine maintenance task may have led to an explosion at a U.S. Steel ...

Allegheny County is boosting air monitoring after a deadly explosion at U.S. Steel’s Clairton Coke Works, a plant with a ...

The deadly blast at the U.S. Steel facility outside Pittsburgh was just the latest in a series of recent workplace accidents.

Preparations for a routine maintenance task may have led to an explosion at a U.S. Steel coal-processing plant near ...

A gas valve failure during maintenance work may have led to the fatal explosion at the U.S. Steel Clairton plant in Pennsylvania.

When horrific situations strike in the Pittsburgh area, such like the U.S. Steel Clairton coke plant explosion that killed ...

University lobbying, Pennsylvania’s history with redistricting, a plea from New Yorkers and Taylor Swift’s big reveal. As ...

The Chemical Safety and Hazard Investigation Board’s probe into the deadly explosion at the Clairton Coke Works could take a ...

U.S. Steel says it believes a gas valve failure led to the explosion Monday morning at its Clairton Coke Works, in which 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 ...