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

The long-simmering conflict in Kashmir, India, blew up on Tuesday, when Islamic Kashmir separatists killed 26 tourists and injured over a dozen others. The attack was the deadliest terrorist attack in India since the 2008 Mumbai attacks,

The Pakistani government announced a series of sweeping retaliatory measures a day after India took aim at its neighbor and archnemesis.