Police say human remains were found in the back of a U-Haul truck during a traffic stop on Thursday. SOMERTON - The Philadelphia police department is investigating after they say a body was found inside a trash bag in the back of a U-Haul truck during a traffic stop in Northeast Philadelphia.Officers responded to calls about a U-Haul driving around the area and made a traffic stop at Kelvin and Foster Streets Thursday morning.During the stop, police conducted a search of the vehicle and found human remains in trash bags in the back of the truck.