Pakistan has warned that it will be considered "an act of war," if India make good on its threat to cut off its access to the water upon which its power grid and irrigation network rely.

Long-troubled relations between nuclear-armed rivals India and Pakistan rapidly worsened after gunmen targeting tourists killed 26 men in Indian-administered Kashmir. It was the deadliest

An attack on tourists in India's Himalayan territory of Kashmir this week sparked a new crisis between nuclear armed South Asian neighbours India and Pakistan, with New Delhi blaming militants with "cross-border linkages" for the killings.