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.

Following Tuesday's massacre of 26 mostly Indian tourists, hostilities have intensified between India and Pakistan over the hotly contested Kashmir region.

India and Pakistan have exchanged gunfire for a fourth night in a row in the wake of a deadly attack on tourists in Indian-administered Kashmir last week. The Indian army said it responded to “unprovoked small arms fire” from multiple Pakistan Army posts around midnight on Sunday along the 740km (460-mile) de-facto border separating the Indian and Pakistani areas of the disputed region,