Pakistan called on Saturday for a "neutral" investigation into the killings of mostly Indian tourists in Kashmir that New Delhi has blamed on Islamabad, saying it was willing to cooperate and favoured peace.

Relations between India and Pakistan are cratering following a deadly militant attack in Indian-administered Kashmir that has sparked tit-for-tat reprisals and raised fears of another military escalation between the nuclear-armed rivals.

NEW DELHI — A deadly attack on tourists in Indian-controlled Kashmir has again moved India and Pakistan closer to war as the two rivals downgraded diplomatic and trade ties, closed the main border crossing and revoked visas for each other’s nationals.