India also cancels some visas held by Pakistanis and expels diplomats as tensions rise following the killing of tourists.

Foremost among these actions is the suspension of the Indus Waters Treaty of 1960, effective immediately, pending what Pakistan's verifiable cessation of support for terrorist activities against India. The treaty guides cooperation on number of cross-border rivers.

Tens of thousands of police and soldiers fanned out across the region, which is claimed by both India and Pakistan, and erected checkpoints.