The phenomenon is known as an ice avalanche, which an expert described as plunging more than a kilometre after snapping off a glacier.

Nepal floods: Scientists suspect an ice avalanche may have blocked the Lhende River, triggering the sudden surge of water | World News

Floods battered Nepal on Wednesday after a sudden surge in the Bhote Koshi River swept through the Rasuwa district near the China border, killing over 30 people and leaving…