A plant in Mercer County, Pennsylvania, exploded on Monday, leaving several people injured.
CBS Pittsburgh reported that the blast took place around 5:45 p.m. on Monday in Reynolds Industrial Park on Crestview Drive in Pymatuning Township.
It said that a propane tank blew up.
Sources to CBS that a coroner was called to the plant, but it is not yet clear if there were any deaths.
This is a breaking news story; check back for details.