Authorities said their investigation has shifted to the cause of the explosion after they accounted for everyone who was missing.

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

Two people are dead and 10 others injured after an explosion at U.S. Steel’s Clairton Coke Works near Pittsburgh. The ...

The explosion, which was powerful enough to shake nearby homes, killed two and injured more than 10 steelworkers, including ...

In these letters, readers share their views on permit requirements for personal pot plants, methane's toll on Pa. birds and ...

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

The CEO of U.S. Steel pledged a transparent investigation into the Clairton Coke Works explosion that killed two and injured ...

An explosion rocked a steel plant outside Pittsburgh on Monday, leaving two dead and 10 others injured, including a person ...

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