An explosion at a U.S. Steel plant south of Pittsburgh killed two people and injured more than 10 others. The CEO has vowed ...

An explosion rocked the U.S. Steel Clairton Coke Works facility near Pittsburgh Monday, leaving people trapped beneath the ...

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

An explosion at a U.S. Steel plant near Pittsburgh left one dead and dozens injured or trapped under the rubble Monday, with ...

Preparations for a routine maintenance task may have led to an explosion at a U.S. Steel coal-processing plant near ...

An explosion rocked a US Steel plant near Pittsburgh on Monday, injuring dozens of people and leaving some trapped under the rubble.

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

An explosion Monday at a U.S. Steel coking plant near Pittsburgh has left people trapped under the rubble, with emergency ...

Allegheny County is increasing air quality monitoring after an explosion at a U.S. Steel plant south of Pittsburgh killed two ...

The explosion took place at the US Steel Clairton Coke Works plant, located south of Pittsburgh, Pennsylvania.

Emergency crews responded to an explosion at the Clairton Coke Works, a U.S. Steel plant near Pittsburgh, Pennsylvania.