The Hizbul Mujahedeen militant group claims responsibility and warns of further attacks . It is the first attack in India in years , a CNN sister network reports . Tensions have grown in Kashmir since the execution in Srinagar of a militant from the province . Authorities in India have accused Pakistan of backing Guru 's attack , which led to a massive mobilization of troops by the two nuclear neighbors along their tense borders . Kashmir has been the scene of separatist violence for a few years .
The Hizbul Mujahedeen militant group claims responsibility and warns of further attacks . It is the first attack in India in years , a CNN sister network reports . Tensions have grown in Kashmir since the execution in Srinagar of a militant from the province . Kashmir has been the scene of separatist violence for a few years .