CLAIRTON, Pa. (AP) — Workers were pushing coke out of huge ovens and preparing for maintenance when an explosion rocked a U.S. Steel plant outside Pittsburgh, a company executive said Tuesday, a day ...

A portion of the Clairton Coke Works, a U.S. Steel plant, is seen Monday, Aug. 11, 2025 in Clairton, Pa. U.S. Steel says it believes a gas-valve failure led to the explosion Monday morning at its ...

Six months later, workers remain rattled and community concerns about air pollution from the plant are heightened.

Allegheny County Executive Sara Innamorato, flanked by U.S. Rep. Summer Lee and Gov. Josh Shapiro, speaks at Tuesday’s press conference at Clairton Coke Works. The CEO of U.S. Steel pledged a ...

On Aug. 11, 2025, an explosion at U.S. Steel’s Clairton Coke Works outside Pittsburgh — a 392-acre riverside industrial facility and the largest of its kind in the Western Hemisphere — killed two U.S.

A lawsuit filed by the sister of a man killed in an explosion at Clairton Coke Works last summer alleges that if owner Nippon Steel had addressed ongoing, known safety concerns at the facility when it ...