Qiyam Ansari was driving to work the morning of Aug. 11 when he felt and saw an explosion occur just down the road in Clairton, Pennsylvania.

The Pennsylvania county where an explosion at a U.S. Steel plant south of Pittsburgh killed two people and injured more than 10 others announced Thursday that it is stepping up air quality monitoring ...

Two workers were killed and nearly a dozen were injured while they were preparing for a maintenance project at the Clairton facility.

The Clairton Coke Works, where an explosion killed two workers and injured 10, has a history of maintenance issues, ...

Organizations like the Breathe Project and the Group Against Smog and Pollution, in conjunction with the Allegheny County Health Department, have been closely monitoring the air quality in Clairton ...

Allegheny County is increasing air quality monitoring after an explosion at a U.S. Steel plant south of Pittsburgh killed two ...

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

Mon Valley and Pittsburgh residents concerned after US Steel coke works blast, while Allegheny County reports no air quality spikes.

Though earlier reports cited witness accounts of multiple explosions, U.S. Steel on Tuesday said only one explosion occurred ...

Wondering what a coking plant is? Learn how coke is made and why it’s vital to traditional steel production in light of the U ...