Four members of a family were killed after a massive boulder fell on three houses after a landslide in Uttarakhand's Chamoli on Saturday, the State Disaster Response Force (SDRF) said. The deceased were identified as 75-year-old Bachuli Devi, 37-year-old Sunita Devi, 57-year-old Devanand and 45-year-old Ghananand. A 15-year-old boy, who sustained injuries, was referred to the higher centre.