The deadly explosion at Clairton Coke Works near Pittsburgh occurred when a gas valve was flushed before planned maintenance, ...

U.S. Steel released preliminary findings about the potential cause of Monday's deadly explosion at U.S. Steel Clairton Coke ...

U.S. Steel says preparations for a routine maintenance task may have led to an explosion at a U.S. Steel coal-processing ...

Family members tell Pittsburgh's Action News 4 Steven Menefee, a father of two, was a loving man who would give you the shirt ...

The preliminary findings say how the company believes the explosion occurred. A union statement cautioned the investigation is in its early stages.

U.S. Steel has released new details on what investigators believe caused the explosion at the Clairton Coke Works plant that ...

The explosion at U.S. Steel's Pittsburgh-area plant has reignited debate about its future. The plant, part of a long-standing ...

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

An explosion at a US Steel plant near Pittsburgh, Pennsylvania, left two people dead and at least 10 injured on Monday, ...

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

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

CLAIRTON, Pa. (AP) — An explosion at a U.S. Steel plant near Pittsburgh left one person dead and sent at least 10 to ...