According to Wikipedia "The 2001 Nepal Census recorded 154,622 Sherpas within its borders, of which 92.83% were Buddhists, 6.26% were Hindus, 0.63% were Christians and 0.20% were Bön."
More than 300 people are believed to have died tackling Everest since 1953 but Friday's death toll is the deadliest single event in the history of Everest.
Saturday update: Four people are still missing. The search continues
Updates will follow.