Crews are working to restore operations after the deaths of two employees.

Officials have urged the press and community not to speculate about the cause of a deadly explosion at a U. S.

Multiple people have been injured in Pennsylvania, and several medical helicopters have been dispatched to the area.

The mill, which is part of the recent merger between U.S. Steel and Nippon Steel, has faced scrutiny from federal and local ...

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 ...

Multiple explosions on Monday at a U.S. Steel plant near Pittsburgh killed two people and injured 10 others, according to the ...

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

A fire Monday at the US Steel mill, 20 miles south of Pittsburgh, hurt 10. Residents within a mile are advised to stay ...

The tragedy has rocked the Mon Valley, and its congresswoman wants answers. Democratic Congresswoman Summer Lee is ...

Explosions at Clairton Coke Works, a U.S. Steel plant near Pittsburgh, left one dead, two missing and at least seven others ...

Authorities confirmed a second fatality after an explosion at the U.S. Steel Clairton Coke Works facility outside of ...

The explosion, followed by several smaller blasts, could be felt in the nearby community and prompted county officials to ...