An explosion rocked the US Steel Clairton Coke Works near Pittsburgh on Monday, trapping people under rubble and prompting an urgent rescue operation, officials said. The blast occurred around 10:51 a.m., sparking a fire at the massive coking plant along the Monongahela River.
Allegheny County Emergency Services confirmed five people have been transported for treatment, but no fatalities have been reported. The scene remains active as emergency crews work to free those trapped.
My Administration is in touch with local officials in Clairton, PA as they respond to an explosion at US Steel Clairton Coke Works plant this morning. @PEMAHQ and @PAStatePolice are in touch with first responders and have offered all assistance.
— Governor Josh Shapiro (@GovernorShapiro) August 11, 2025
The scene is still active, and…
The Clairton Coke Works is the largest coking facility in North America, where raw coal is processed into coke, a critical material for steel production.
Explosion at US Steel coking plant in Pennsylvania leaves people trapped under rubble >> https://t.co/6uwgwX0jE9 pic.twitter.com/DJCwgaGLjI
— 14 News (@14News) August 11, 2025
