According to the newspaper, a diesel-electric submarine of the Varshavyanka or Black Hole type, as it was nicknamed in the West, is from the Black Sea fleet The Russian Navy discovered and began to pursue the British submarine. Later, two frigates and an IL-38 anti-submarine aircraft joined the Varshavyanka. These actions of the Russian fleet did not allow the British to approach a sufficient distance to strike in Syria.
The Russian Ministry of Defense does not comment on this incident. However, the Times points out that they received information about the actions of Russian submarines from their sources in the military command of the British army.