The potential pollution impact was mitigated because the weather cooperated, the Allegheny County Health Department said.

This is a response to the forecasted weather that poses a risk to residents on those dates.

After a fatal explosion at U.S. Steel’s Clairton Coke Works, Mon Valley residents remain cautious though Allegheny County ...

A code red heat advisory has been announced for Allegheny County on Tuesday. According to the Allegheny County Department of ...

Timothy Quinn, a 39-year-old father and second-generation steelworker, was among the two killed in the Monday explosion at a ...

The CEO of U.S. Steel pledged a transparent investigation into the Clairton Coke Works explosion that killed two and injured ...

When it comes to local government, every dollar counts. Smart investments are essential to make precious public resources go ...

Death of NYPD officer in Manhattan shooting spotlights rise of Bangladeshi immigrants within ranks ...

Allegheny County Executive Sara Innamorato joined ABC News Live with an update on the investigation of the explosion at a Pennsylvania steel plant and its impact on the local community.

The Democratic governor said Tuesday that steelworkers deserve an “answer for what happened.” The cause of the explosion ...

The chief of the Allegheny County Emergency Management recounted for reporters the conditions inside the Clairton Coke Works ...