Relations between India and Pakistan are cratering following a deadly attack in the disputed Himalayan region of Jammu and Kashmir that left more than two dozen tourists dead.

A critical water sharing treaty has been suspended amid saber-rattling from India and Pakistan following a deadly attack in India-administered Kashmir that New Delhi blames on militants it says are backed by Islamabad.

The nuclear-armed rivals, which both claim Kashmir and administer separate parts of it, are at a dangerous crossroad after Tuesday’s militant attack, analysts said.