An explosion at a U.S. Steel plant near Pittsburgh left two dead and sent at least 10 to hospitals Monday and heavily damaged ...

After an explosion rocked a steel plant outside Pittsburgh, workers scrambled into the wreckage alongside firefighters ...

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

After a fatal explosion at U.S. Steel’s Clairton Coke Works, Mon Valley residents remain cautious though Allegheny County ...