Nuclear-armed neighbours India and Pakistan have announced a raft of measures against each other as tensions mount after 26 men were killed in an attack targeting Hindu tourists in Kashmir last month.

India and Pakistan are scrambling resources both military and diplomatic to respond to a crisis triggered by a massacre in Indian-controlled Kashmir that has heightened fears of a conflict between the nuclear-armed rivals.

The April 22 terrorist attack in Kashmir inflamed a long-simmering conflict that could boil over into military confrontation.