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Explosion at U.S. Steel’s Clairton Coke Works Leaves Workers Trapped and Injured

Rescue teams sift through debris during active air-quality monitoring by county health officials.

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Firefighters spray water on the site of an explosion at U.S. Steel's Clairton Coke Works plant in Clairton, Pennsylvania, U.S. August 11, 2025 in this screengrab obtained from an aerial video.  ABC Affiliate WTAE via REUTERS. NO RESALES. NO ARCHIVES. THIS IMAGE HAS BEEN SUPPLIED BY A THIRD PARTY. BEST QUALITY AVAILABLE.
La planta de U.S. Steel en Clairton, Pensilvania, el 2 de mayo del 2019. (AP foto/Gene J. Puskar)

Overview

  • A morning explosion at U.S. Steel’s Clairton Coke Works injured multiple workers and left others trapped under rubble.
  • Allegheny County Emergency Services transported five people from the scene and confirmed there are no fatalities so far.
  • Rescue crews continue to comb through collapsed sections of the plant in search of additional victims.
  • The county health department has begun monitoring air quality around the facility for potentially hazardous emissions.
  • Governor Josh Shapiro and Senator John Fetterman have pledged state assistance and urged safety adherence as the plant—North America’s largest coke operation with a history of fires and pollution disputes—draws increased scrutiny.