There is an ongoing hostage situation at a New Jersey UPS Mail-Sorting building. Police initially responded to an active shooter call this morning at the building in Logan Township.  NBC News says a man entered the warehouse and fired shots into the ceiling before taking his ex-girlfriend and another person hostage.  There are no reports of injuries and the FBI is now assisting local police.  The Logan Township School District said schools are operating on a modified lockdown with classes continuing, but no one is being allowed to enter or leave the schools.