Three people were killed on Mount Dukono after hikers ignored warning signs at the foot of one of Indonesia’s most volatile peaks.

While two foreigners and a Ternate resident are confirmed dead, search teams are racing to locate nine missing Singaporean tourists amid a surge of dozens of daily eruptions.

Harrowing footage captures the exact moment a tour guide realizes that massive rocks, some ejected at high velocities, have struck the group. Despite the volcano showing critical activity for over a month, tourists continue to bypass safety perimeters for digital content.