(December 11, 2023, 1:35 PM EST) -- PITTSBURGH — Pennsylvania school districts that have sued Norfolk Southern Corp. and Norfolk Southern Railway Co. (collectively, Norfolk Southern) in connection with the train derailment in East Palestine, Ohio, that led to the release of toxic chemicals XE "toxic chemicals" in the air and groundwater have filed an amended complaint in Pennsylvania federal court adding as defendants owners of the specific railcars that were involved in the accident. The plaintiffs argue that the railcar owners share liability for the incident because their railcars were not properly maintained....