Allegheny County Emergency Services said a fire at the plant in Clairton started late Monday morning. Officials said they had not isolated the cause of the blast.

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

One of the two people killed in the Pennsylvania steel factory explosion on Monday has been identified as a father who came ...

Gov. Josh Shapiro, Allegheny County Executive Sara Innamorato and U.S. Steel CEO David Burritt held an emotional press ...

This is a response to the forecasted weather that poses a risk to residents on those dates.

Two steelworkers are dead after an explosion at the U.S. Steel Clairton Coke Works plant. The blast happened on Monday just ...

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