Mayon alert level raised amid unrest

LIGAO CITY—The Philippine Institute of Volcanology and Seismology (Phivolcs) on Thursday raised alert level 2 (moderate level of volcanic unrest) over Mayon Volcano, citing increasing unrest that could lead to an effusive eruption or the steady outflow of lava. In an advisory, Phivolcs said the alert status was raised from alert level 1 (low level