Ukraine has cultivated a network of agents and sympathizers inside Russia working to carry out acts of sabotage against Russian targets and has begun providing them with drones to stage attacks, multiple people familiar with US intelligence on the matter told CNN.
US officials believe these pro-Ukrainian agents inside Russia carried out a drone attack that targeted the Kremlin in early May by launching drones from within Russia rather than flying them from Ukraine into Moscow.
It is not clear whether other drone attacks carried out in recent days – including one targeting a residential neighborhood near Moscow and another strike on oil refineries in southern Russia – were also launched from inside Russia or conducted by this network of pro-Ukrainian operatives.
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Update #1: Ukraine has a network of sabotage agents in Russia and is sending them drone for attacks, report says (Business Insider)
Update #2: Ukraine Operates Sabotage Cells, Smuggles Drones in Russia – CNN (Moscow Times)
WNU Editor: The above CNN report should surprise no one. Since the start of the war attacks on critical Russian infrastructure have been reported daily. Ukraine's intelligence services have also been implicated in a number of successful assassination operations within Russia itself.