In a major success, security forces on Saturday gunned down Mohammed Ismail alias Lamboo, the nephew of Jaish-e-Mohammed chief Maulana Masood Azhar, in an encounter in South Kashmir's Awantipora in Pulwama district. Mohammed Ismail Alvi alias Adnan alias Lambu was an IED Expert and was suspected to be behind the Pulwama attack which had claimed the lives of 40 CRPF …