A fire broke out at a refinery near the Delaware River Thursday afternoon. Chopper 3 was over the Trainer Refinery by Post Road where a large plume of smoke could be seen in Marcus Hook, Pennsylvania. The refinery is owned by Monroe Energy. The borough of Marcus Hook is asking residents to avoid the area. There's no word yet on injuries or what started the fire. #marcushook #pennsylvania #monroeenergy #delawareriver #trainer #oilrefinery