What is the Indus Water Treaty and what does its suspension mean for India and Pakistan?

Indian security officers guard a highway in south Kashmir after assailants indiscriminately opened fired at tourists in Pahalgam in Indian-controlled Kashmir on Tuesday April 22, 2025 - (AP Photo/Dar Yasin)

India has suspended the Indus Water Treaty of 1960 following Tuesday’s attack in Indian-administered Kashmir, which resulted in the death of at least two dozen Indian tourists and a Nepalese national.

Tensions between old rivals Pakistan and India have intensified as the countries enter a period of water warfare prompted by the attack in Pahalgam.