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

Qiyam Ansari was driving to work the morning of Aug. 11 when he felt and saw an explosion occur just down the road in Clairton, Pennsylvania.

The explosion happened when workers were flushing a gas valve in preparation for maintenance on two of the plant's coke oven ...

Preparations for a routine maintenance task may have led to an explosion at a U.S. Steel coal-processing plant near Pittsburgh that left two dead and sent 10 to hospitals, the company said Friday. U.S ...

United States Steel said on Friday a fatal blast that killed two and injured 10 others at its Clairton Coke Works plant near ...

Todd Barrett was with a crew of laborers at the Clairton coke works that morning when they all felt something. It was an ...

An explosion at a U.S. Steel plant that shook the ground near Pittsburgh left two dead and sent at least 10 to hospitals. An Allegheny County spokesperson says an explosion ...

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

The Clairton Coke Works, where an explosion killed two workers and injured 10, has a history of maintenance issues, ...