As the two nuclear-armed neighbors rattle their sabers in the wake of a terrorist attack on the contested Kashmir region, experts worry that the worst might be yet to come

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.

Anger in Indian-run Kashmir escalated on Monday over sweeping detentions in the hunt for the gunmen who carried out a deadly attack last week that New Delhi blames on arch-rival Pakistan.New Delhi has accused Pakistan of supporting "cross-border terrorism" after gunmen killed 26 people on April 22,