U.S. Steel's Clairton Coke Works — long flagged for safety and environmental concerns — is under fresh scrutiny after an explosion killed two workers this week. The big picture: Once a defining part ...

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

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

An explosion rocked a steel plant outside Pittsburgh on Monday, leaving two dead and 10 others injured, including a person ...

The company defended its safety record as Investigators worked to determine the cause of the blast.

Moments after an explosion erupted at a U.S. Steel plant in Pennsylvania, company firefighters, local responders and ...

A devoted dad has been identified as one of the two steel workers killed from an explosion at a Pennsylvania steel plant on ...

A deadly explosion at an industrial plant outside Pittsburgh on Monday morning left two people dead and many others injured.