India puts decades-old water accord with Pakistan in abeyance: ACT OF WAR

* National Security Committee says any move to divert water flow will be considered act of war; warns India of full spectrum response
* Pakistan briefs foreign diplomats on evolving situation
* FO summons Indian chargé d’affaires, hands over demarche
* Islamabad cites right to suspend all bilateral pacts, including Simla Agreement
* UN chief calls for ‘maximum restraint’ amid India-Pakistan tensions