Kashmiris stand along a barricaded street during unrest following gunfights between suspected militants and police forces in South Kashmir, in Srinagar, on Sunday. Pic/AFP

In a major offensive, security forces on Sunday gunned down 12 militants, including those responsible for the brutal killing of Lieutenant Umar Fayaz, in three counter-insurgency operations that also claimed the lives of three Army jawans and four civilians in Anantnag and Shopian districts of Jammu and Kashmir.