In response, Pakistan also announced shutting its airspace to all Indian airlines and suspended trade with New Delhi including through third countries. Islamabad also rejected India's suspension of the Indus Waters Treaty and said any measures to stop the flow of water belonging to Pakistan under the pact will be seen as an "act of war".

India said its troops responded to firing from Pakistan military positions in the Jammu and Kashmir region for a second day on Saturday, as tensions remained escalated between the neighbors after a deadly attack on tourists this week.

India and Pakistan have intensified their hostilities over the hotly contested Kashmir region following a massacre of 26 mostly Indian tourists, which New Delhi linked to Pakistan