The truck was reportedly cleared and normal operations resumed around noon.
Police in Atlantic County have arrested a student after explosive material was reportedly found inside his home.
Kenneth W. Smith, Jr., 26, of Philadelphia, was indicted on Monday in relation to the September 2012 incident.
A Bucks County man was found dead in a home containing explosives Tuesday.
A bail hearing was postponed Friday for a northeastern Pennsylvania man accused of trying to board a cross-country flight with explosives in his bag.