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

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

Here in our area, we have been known for many different industries over the centuries. Some of the earliest industries we have been noted for are agriculture, woolen products, glass, pottery, oil and ...

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

U.S. Steel says preparations for a routine maintenance task may have led to an explosion at a U.S. Steel coal-processing ...

The company said pressure likely built up inside the valve, causing it to fail and leading to coke oven gas filling the area, ...

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

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

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

U.S. Steel released preliminary findings about the potential cause of Monday's deadly explosion at U.S. Steel Clairton Coke ...

Neighbors of U.S. Steel's Clairton Coke Works and the plants' workers react to the explosion at the plant on Monday that ...