Reactions to the attack in Moscow: Federal government horrified. Taliban ruling Afghanistan also strongly condemned the attack.

NATO spokeswoman: Nothing can justify such heinous crimes. “The images from Moscow of assassins firing indiscriminately at concert-goers are terrible,” wrote Federal President Frank-Walter Steinmeier on the X platform (formerly Twitter) Britain's Foreign Secretary David Cameron has condemned the deadly attack on a concert hall near Moscow and expressed his condolences to the affected families. ISIS is also active with a regional branch in the border area between Afghanistan and Pakistan.