Big boulders fell on a tempo traveller resulting into the casualties. The bridge that connects Batseri village with rest of Kinnaur was also broken after big boulders also fell on it while road connecting Sangla-Chhitkul with rest of state is blocked.

from Times of India https://timesofindia.indiatimes.com/city/shimla/9-tourists-killed-in-landslide-in-himachal-pradeshs-kinnaur/articleshow/84729459.cms