:gun:At least 40 people were killed and over 100 injured in a shooting attack at a concert venue in Moscow.
:fire:The gunmen also set fire inside the venue, adding to the chaos and potential casualties.
:unknown:The motive behind the attack is still unknown, but ISIS-K has claimed responsibility.
:investigation:The Russian government is investigating the attack as a terrorist attack and is looking into the possibility of other groups being involved.
:crackdown:The attack poses a challenge for Putin's government and may lead to a further crackdown on dissent.