What happened in Pahalgam and why is the attack escalating India-Pakistan tensions?

New Delhi and Islamabad
CNN
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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.

India and Pakistan both control parts of Kashmir but claim it in full, and have fought three wars over the mountainous territory. In 2019, Indian jets bombed targets inside Pakistan after a cross-border militant attack killed at least 40 Indian paramilitary personnel in its part of Kashmir.

All but one of the 26 tourists massacred in the attack on…