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.

Armies across Line of Control fire at each other's locations but Kashmiri official says it was ‘post-to-post fire, which is normal’ at de facto border - Anadolu Ajansı