Video: Mayon Volcano erupts again, huge ash column observed
Photo taken on Jan. 21, 2018 shows Philippine's most active volcano raining ash as experts warn of violent eruption. (Photo: AFP)A giant mushroom-shaped cloud shot up from the Philippines' most active volcano on Monday, darkening the skies and raining ash on communities where tens of thousands have fled after warnings of an impending eruption.Mayon volcano's new activity prompted state volcanologists