Kathmandu. The lives of more than three hundred families have been affected due to the sudden fall of thick ash from the famous but risky Mayon volcano in the Philippines. According to officials, a large amount of ash spread when the lava accumulated on the slope of the volcano suddenly fell over the weekend, forcing the immediate evacuation of surrounding settlements.According to officials, although there was no major eruption from Mayon, a pyroclastic flow was generated when a large deposit of lava accumulated on its southwestern slope suddenly fell. According to Teresito Bacolcol, director of the Philippine Institute of Volcanology...