News brief

The explosion at a U.S. Steel plant near Pittsburgh has left dozens injured or trapped under the rubble. An Allegheny County spokesperson says there are no confirmed fatalities from Monday morning’s explosion at the Clairton Coke Works. The county’s emergency services said it transported five people from the scene. The plant is a massive industrial facility along the Monongahela River south of Pittsburgh, and is considered the largest coking operation in North America. – AP