Tuesday's bloodshed in Pahalgam - where at least 26 tourists were killed in a hail of gunfire - marks the deadliest militant attack in Kashmir since 2019.The victims weren't soldiers or officials, but civilians on holiday in one of India's most picturesque valleys.

It was the deadliest attack against civilians in years in Kashmir, a region claimed by both India and Pakistan that has been racked by violence for decades.

Founded in 2019, the little-known group has now taken centre stage in the conflict between India and the rebels.