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

After an explosion rocked a steel plant outside Pittsburgh on Monday, workers scrambled into the wreckage alongside firefighters. A cloud of black smoke rose above a charred pickup truck as rescuers ...

The U.S. Steel plant in Clairton, Pa., where an explosion killed two workers and injured 10 on Monday, has a history of ...

The company defended its safety record as Investigators worked to determine the cause of the blast.

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

In Pennsylvania, the blast at a steel plant has killed two people. Officials say they are still investigating the cause. One ...

United States Steel Corp. and its parent company, Nippon Steel Corp. are committed to keeping the Clairton Coke Works ...