BACOLOD CITY, NEGROS OCCIDENTAL, Philippines — State volcanologists and local authorities in Negros Occidental and Negros Oriental are closely monitoring the restive Mt. Kanlaon as it has been emitting gray ash since the weekend. Mari-Andylene Quintia, resident volcanologist of the Philippine Institute of Volcanology and Seismology (Phivolcs) at the Mt. Kanlaon Observatory, said the volcano,
