Hazardous eruption of Mayon volcano imminent: Philippine authorities

Farmers tend their crops as ash plumes rise from the crater of Mayon volcano in Albay Province, the Philippines, Jan. 23, 2018. The Philippine authorities raised the alert level for the Mayon volcano from level three to level four on Monday, meaning that a "hazardous eruption is imminent." (Xinhua/Rouelle Umali)