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 ...

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

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 ...

Steelworkers at US Steel’s Clairton Coke Works have come forward to expose the long-standing and deadly safety hazards that ...

Nippon Steel promised to invest $14B to keep US Steel's aging plants operating for decades but the deadly explosion at the Clairton coking plant will test its resolve through a costly crisis ...