ELURU: A student of Ai Bhimavaram succumbed to a head injury at a hospital in Guntur on Friday midnight. According to sources, Sagibilli Sai Chand (14) was a student of ZP High School at Ai Bhimavaram village in Akiveedu mandal. On Thursday, the ZP High School conducted Swachh Bharat programme. All the students including Sai Chand were removing shrubs on the school premises. Suddenly, a tree branch snapped and fell on the head of Sai Chand. He died while undergoing treatment in a hospital.