India said on Monday it had responded to 'unprovoked' firing from Pakistan along the de facto border for the fourth consecutive night, as it deepens its search for militants in the region following last week's deadly attack on tourists in Kashmir.

Pakistani soldiers fired at Indian posts all along the highly militarized frontier in disputed Kashmir for a second consecutive night, the Indian military said Saturday, as tensions continued to escalate between nuclear-armed rivals following a deadly attack on tourists.

Troops from Pakistan and India exchanged fire in disputed Kashmir for a third night in a row, officials said Sunday, as relations between the nuclear-armed rivals plunged to their lowest