Ukraine creates network of agents in Russia and smuggles drones to them
Pravda Ukraine
Ukraine has created a network of well-trained agents in Russia for sabotage and provides them with drones of its own production, which are likely to be smuggled into Russia.
Source: CNN, referring to sources familiar with American intelligence data
Details: US officials believe that pro-Ukrainian agents in Russia attacked the Kremlin in early May by launching drones from Russian territory, not Ukraine.