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.

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 ...

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

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

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

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

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