60 people died and 145 people were injured! Putin’s emergency instruction was strongly condemned by many countries. Several unknown armed men wearing camouflage uniforms broke into the concert hall, shot with automatic weapons and threw grenades.
The extremist group "Islamic State" claimed responsibility for the attack. The Russian Federal Investigative Committee announced it had launched an investigation into the terrorist attack that occurred that night in accordance with the relevant provisions of the "Terrorist Acts" in the Criminal Code of the Russian Federation. U.N. Secretary-General Guterres also strongly condemned the incident through his spokesman.