An avalanche in the Himalayas in northern India has killed at least 10 people who were on a large mountaineering expedition. Rescue operations continue — there were 41 people on the expedition. One of those who died was Savita Kanswal, a 25-year-old rising star in the Indian mountaineering community. Sushmita Pathak reports from India on how it happened, and the devastated mountaineering community in the state of Uttarakhand.