Brian Doyle remembers the explosion that hurled him to the coke plant’s floor — but little else from that day. It was a Wednesday — July 14, 2010 — and Doyle, a steamfitters union member and contractor for Power Piping,

In the last five years, U.S. Steel has paid more than $10 million in penalties for violations of the Clean Air Act at Clairton.

U.S. Steel says it believes a gas valve failure led to the explosion Monday morning at its Clairton Coke Works, in which two workers died and 10 others were injured.

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

CLAIRTON, Pa. — Hospital officials confirm seven of the 10 people injured in Monday’s deadly explosion at the U.S. Steel Clairton Coke Works have been released. An Allegheny Health Network spokesperson tells Channel 11 that all seven patients in AHN’s care have been discharged.

The U.S. Steel plant in Clairton, Pa., where an explosion killed two workers and injured 10 on Monday, has a history of maintenance issues, explosions and environmental violations.

Clairton, Pennsylvania was rocked Tuesday by an explosion at the U.S. Steel Clairton Coke Works. Clairton Mayor Richard Lattanzi reflects on the sad day.

The CEO of U.S. Steel pledged a transparent investigation into the Clairton Coke Works explosion that killed two and injured 10 Monday morning. CEO David Burritt was joined at a press conference Tuesday afternoon by Pennsylvania Gov.