A boulder slid down a hill and hit a bus carrying Amarnath pilgrims at the Nachlana belt on the highway in Ramban district. The devotees were returning after paying obeisance at the cave shrine, a police official said.
Three pilgrims, identified as Ajay Dubey and Chander Kishore of Uttar Pradesh -- and Pradeep Kumar of Bihar, were injured in the incident and were hospitalised.