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HARRISBURG, Pa. (AP) — The fatal explosion last week at U.S. Steel’s Pittsburgh-area coal-processing plant has revived debate ...
Allegheny County is increasing air quality monitoring after an explosion at a U.S. Steel plant south of Pittsburgh killed two ...
Workers were heating coal and preparing for routine maintenance when an explosion rocked a U.S. Steel plant outside ...
Preparations for a routine maintenance task may have led to an explosion at a U.S. Steel coal-processing plant near ...
An explosion at a steel plant in Pennsylvania on Monday has led to an extremely serious situation. The explosion at the plant ...
An explosion at a US Steel plant near Pittsburgh, Pennsylvania, left two people dead and at least 10 injured on Monday, ...