A series of mild eruptions at the most active volcano in the Philippines has prompted the evacuation of nearly 3,000 villagers from a danger zone on its foothills, officials said Wednesday. Authorities raised the 5-step alert around Mayon Volcano in the northeastern province of Albay to level 3 on Tuesday after detecting intermittent rockfalls, some as big as cars, from its peak crater in recent days along with deadly pyroclastic flows — a fast-moving avalanche of super-hot rock fragments, ash

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