Qiyam Ansari was driving to work the morning of Aug. 11 when he felt and saw an explosion occur just down the road in ...

U.S. Steel says preparations for a routine maintenance task may have led to an explosion at a U.S. Steel coal-processing plant near Pittsburgh that left two dead, sent 10 to hospitals and damaged part ...

The explosion happened when workers were flushing a gas valve in preparation for maintenance on two of the plant's coke oven ...