Helicopters Flying Over Oaxacan Encampments Due to the presence of Navy forces in the airspace of the zone where protestors of the teacher's union and APPO are located, a maximum alert is decreed; warning that a dislocating operation may be carried out tonight Jorge Octavio Ochoa/Correspondent El Universal Oaxaca City, Oaxaca Saturday 30 September 2006 5:00 p.m. At 4:30 p.m., two Navy helicopters flew through the airspace over the center of Oaxaca City; at 4:50 and 5:00 p.m. new overflights appeared, apparently in reconnaisance. From La Ley radio, the Popular Assembly of the People of Oaxaca (APPO) called for...