Putin's nemesis: Russia demands extradition of Ukrainian intelligence chief after Moscow attack. 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 terrorist attack on the Crocus City Hall event center in northwest Moscow. The four suspected perpetrators were arrested shortly after the crime. The Russian domestic secret service FSB has now arrested other suspects who are said to have been involved in the financing and equipment. The SBU described Moscow’s demands as “worthless”