Srinagar: A youth, injured in a militant attack in Kashmir`s Sopore town, succumbed to his injuries in a hospital in the wee hours here on Sunday, police said. Shabir Ahmad Naikoo, a dentist by profession, died in SMHS hospital, they said. On Friday night, Naikoo was injured in a militant attack allegedly orchestrated by a rival of his family with whom they had a land dispute, police said. His uncle Nazir Ahmad Naikoo was killed in the attack. Three persons had been arrested in connection with the attack so far.