Pakistan’s defense chief warned of an “imminent” clash with India as a dispute over river water and blame for a terrorist attack last month in Kashmir escalates between the nuclear-armed neighbors.

The move followed India’s suspension of the Indus Waters Treaty, a bilateral pact more than six decades old, which it said was in retaliation for the killing of 26 people in the disputed region of Kashmir last month. Pakistan has denied any involvement.

UN Secretary-General Antonio Guterres on Monday called for Pakistan and India to "step back from the brink" amid escalating tensions following a terrorist attack in Indian Illegally Occupied Jammu and