Tensions between arch rivals India and Pakistan were high on Thursday as New Delhi mounted a diplomatic offensive against Islamabad, blaming it for a deadly attack that killed 26 people, mostly tourists,

India and Pakistan both claim Kashmir in full but control it only in parts. Since India's partition and the creation of Pakistan in 1947, the nuclear-armed neighbours have fought wars over the territory.

The nuclear-armed rivals, which both claim Kashmir and administer separate parts of it, are at a dangerous crossroad after Tuesday’s militant attack, analysts said.