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.

Channel 11 spoke exclusively with United Steelworkers Local 1557 Vice President Richard Tikey, sharing his reaction to new details in the investigation into the deadly explosion at the Clairton Coke Works.

A second Westmoreland County man was identified as the other victim who was killed Monday in an explosion at U.S. Steel’s Clairton Coke Works. Steven Menefee, 52, of the village of Tarrs in East Huntingdon,

The office of the Allegheny County medical examiner identified a second man who was killed in an explosion at the Clairton Coke Works factory Monday morning. According to the medical examiner, 52-year-old Steven Menefee died at the scene of the blast.

The large turnout was a reflection of the deep sense of loss and growing anger over unsafe conditions at the U.S. Steel plants.

The health department began deploying mobile air units Thursday provided by Pennsylvania’s Department of Environmental Protection and Carnegie Mellon University. The units will travel around Clairton to test for dozens of hazardous air pollutants.

Regulators are temporarily stepping up pollution monitoring in the Mon Valley after a deadly explosion at U.S. Steel’s Clairton Coke Works on Monday sparked worry about the release of toxic gases. The

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.