text: 1,000 People May Be in Russian School BESLAN, Russia - Heavily armed militants who seized a school three days ago are holding at least 1,000 students, teachers and parents hostage inside the building, far more than previously thought, a released hostage and a regional official said.    Russian officials had said that about 350 people were being held by raiders who seized the school in the North Ossetian city of Beslan on Wednesday...