PHILADELPHIA — Philadelphia police are investigating the possibility that the two officers who were shot at the city’s Independence Day celebrations on the Benjamin Franklin Parkway Monday were struck by stray bullets from celebratory gunfire — potentially fired from some distance away, officials said Tuesday. Chief Inspector Frank Vanore said detectives “really don’t have a clear picture of where the bullets came from,” but that officers stationed around the Parkway and the Philadelphia Museum of Art for the Wawa Welcome America Party did not hear any shots or see any muzzle flashes in the ar…
