Russia’s National Investigative Committee said today that the death toll from last night’s shooting at a concert hall on the outskirts of Moscow has reached 133.
On the other hand, a senior security official said that eleven people, including four suspected armed men, have been arrested in connection with this attack.
Health officials said that more than 120 people were injured.
ISIS has claimed responsibility for this attack, which has been called the deadliest terrorist attack in Russia in nearly two decades.
Russian President Vladimir Putin claimed in a pre-recorded message released by the Kremlin today that the attackers tried to hide in Ukraine; But a senior Ukrainian official said that Kiev was not involved in the incident.
Putin announced Sunday, March 24, as national mourning in Russia.