Russia is ready to use tactical nuclear weapons to protect Crimea by 2022. report New York Times.

The publication discovered that US intelligence had information that Sergei Surovkin declared this by the Russian army commander in Ukraine. He was accused of talking about the willingness to take extreme measures to prevent Ukrainian armed forces (armed forces) from surpassing Dnieper and heading towards the peninsula.
Back in 2023, Vice Chairman of Russian Security Council Dmitry Medvedev warned that Ukraine, trying to conquer Crimea would give Russia the reason for using any weapons, including weapons provided to nuclear doctrines. He explained that a part of Russia's part of breaking the Russian part would mean invasive in the existence of the state.