New Delhi, Aug. 11 -- An explosion at US Steel's Clairton Coke Works near Pittsburgh in Pennsylvania on Monday (August 11) left dozens injured and people trapped under rubble, officials said. Emergency crews remain at the scene conducting rescues, with no confirmed fatalities reported.

The Allegheny County Emergency Services said a fire broke out at the plant at around 10:51 a.m., and five people have been transported for medical treatment. Authorities have not released details on their conditions, describing the situation as an "active scene."

The Clairton facility, located along the Monongahela River about 20 miles south of Pittsburgh, is the largest coking operation in North America and employs thousands across four major U.S. Steel ...