As investigators look into the cause of the explosion at a steel plant near Pittsburgh that killed two and injured several others, officials are clarifying the number of blasts and offering ...

Multiple explosions at a steel plant near Pittsburgh have killed two people and left 10 others injured on Monday, according to authorities. Video captured a massive black plume of smoke rising from ...

An explosion at a U.S. Steel plant south of Pittsburgh killed two people and injured more than 10 others. The CEO has vowed to find out what caused Monday's blast while the workers' union says it will ...

HARRISBURG, Pa. — The fatal explosion last week at U.S. Steel's Pittsburgh-area coal-processing plant has revived debate about its future just as the iconic American company was emerging from a long ...

CLAIRTON, Pa. (AP) — Investigators are working to determine the cause of an explosion rocked a steel plant outside Pittsburgh, leaving two dead and more than 10 others injured, including a person who ...