Putin's new nemesis: Russia demands extradition of Ukrainian intelligence chief. Russia calls on Ukraine to extradite Putin's nemesis Russia also claims that Kiev is behind further attacks and assassinations on Russian territory.
At least 144 people were killed and 550 others were injured in the March 22 attack on Crocus City Hall in Moscow. The Islamic State jihadist militia has already publicly claimed responsibility for the attack on the concert hall on the outskirts of the Russian capital. Kiev firmly denies any involvement in the terrorist attack.