Tension intensified in Srinagar on Friday after another schoolboy was killed near the famous Nishat Mughal garden on the outskirts of the city.Earlier, 13-year-old Wamik Farooq was killed in Srinagar on Sunday after he was hit by a teargas shell on his head at Rajouri Kadal in Srinagar, during a clash between a mob and the police.The school boy, Zahid Farooq Sheikh, 17, was shot in the chest. He was taken to the local hospital where he succumbed to his injuries today evening.