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

This video provided to CNN by CMU CREATE Lab/Breathe Project. At this point, it's not clear how many people were injured.

The blast killed at least one person and injured at least 10 others. Nearby residents were advised to stay inside over air ...

Dozens of workers at a steel plant near Pittsburgh are trapped beneath rubble following an explosion, and police have ...

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

The mill, which is part of the recent merger between U.S. Steel and Nippon Steel, has faced scrutiny from federal and local ...

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

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

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

Rescuers were continuing to search for one missing worker at the Clairton Coke Works more than five hours after mid-morning ...

An explosion Monday at a U.S. Steel coking plant near Pittsburgh has left people trapped under the rubble, with emergency ...