DERA ISMAIL KHAN (Online): A student shot himself dead after killing his class fellow in the school here on Thursday. According to reports, the incident took place in Government Primary School Muqeem Shah where Saifur Rehman, a student of class 7th, shot dead his class fellow Ansar and later committed suicide with the same pistol. Rehman was shifted to DHQ Hospital in a critical condition but succumbed to injuries.