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

A rescue operation is underway for people trapped under rubble following an explosion at a Pennsylvania steel plant, ...

One person has died, one person is unaccounted for and at least 10 are injured following an explosion at a U.S. Steel plant ...

Authorities said one fatality has been confirmed in an explosion at the U.S. Steel Clairton Coke Works facility outside of Pittsburgh.

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

An explosion occurred Monday at a steel factory in Clairton, Pennsylvania, authorities said. A spokesperson for Allegheny ...

Allegheny County officials said one person has died as a result of an explosion at a U.S. Steel plant in Pennsylvania.

CLAIRTON, Pa. (AP) — An explosion Monday at a U.S. Steel plant near Pittsburgh has left people trapped under the rubble, with ...

At least one person has died, and one person remains unaccounted for, while at least 10 people have been injured following ...

At least one person was killed and dozens more injured after an explosion at a U.S. Steel plant in Clairton, Pa.

Officials say a rescue operation to save people trapped under rubble is underway after an explosion at U.S. Steel Clairton ...

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