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.

Anger in Indian-run Kashmir escalated on Monday over sweeping detentions in the hunt for the gunmen who carried out a deadly attack last week that New Delhi blames on arch-rival Pakistan.New Delhi has accused Pakistan of supporting "cross-border terrorism" after gunmen killed 26 people on April 22,

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,