With tensions simmering, the militant attack has governments worried that India and Pakistan are once again on the brink of conflict. Here’s what you need to know as relations between them plunge to their lowest level in years.

Pakistan called India's actions “irresponsible" and canceled visas for Indian nationals, suspended all trade with India and closed its airspace to Indian aircraft.

Relations between India and Pakistan are cratering following a deadly militant attack in Indian-administered Kashmir that has sparked tit-for-tat reprisals and raised fears of another military escalation between the nuclear-armed rivals.