Today, on May 30, the Russian Ministry of Defense acknowledged the raid of eight UAVs, despite this, a significant number were reported on the Web.

The head of foreign policy and international security programmes at the Razumkov Centre explained how the "butterfly effect" could work in Russia.

"Drone attacks will obviously once again strengthen one of the factors that stimulates Russia to conduct terrorist actions primarily in the capital of Ukraine. This is what now needs to be shown again after the Belgorod embarrassment," he said.

Also, according to him, it is necessary to show the Russian public again that there will be retaliatory strikes.

"According to the Kremlin, this should somehow reassure the Russian population, especially when it has now affected Moscow," says the expert.

Ukrainian Air Force spokesman Yuriy Ihnat called Tuesday's drone attack on the Russian capital Moscow Russia's domestic problems.

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