"At about 5am (02:00 GMT), the Ukrainian armed forces attempted to attack the Black Sea Fleet patrol ship Sergey Kotov in the Black Sea with five unmanned sea boats," Russia's defence ministry said on Telegram.

Source: https://www.france24.com/en/europe/20230914-%F0%9F%94%B4-live-kim-invites-putin-to-to-visit-north-korea

In addition, the might of Moscow’s Black Sea Fleet has been diminished, following Ukrainian attacks that penetrated air defenses and struck its headquarters in occupied Crimea, Zelensky added.

Source: https://indianexpress.com/article/world/ukraine-president-zelensky-war-russia-new-phase-winter-looms-9051478/

MOSCOW (Sputnik) – Aircraft of Russia’s Black Sea Fleet destroyed four military boats carrying Ukrainian landing groups of up to 50 people in the waters of the Black Sea, the Russian Defense Ministry said early Wednesday.

Source: https://southafricatoday.net/world-news/russias-forces-destroy-four-ukraine-military-vessels-carrying-up-to-50-fighters-in-black-sea/

Russian Black Sea Fleet Intelligence vessel SSV-201 Priazovye crosses the Bosphorus on its way to the Mediterranean sea, in Istanbul February 19, 2015.

Source: https://biztoc.com/x/10d697e3a6be13ff?ref=ff

The attack against Russia's Black Sea Fleet headquarters came as Moscow launched drones against the Odesa region in the Ukraine in the pre-dawn hours.

Source: https://www.dailymail.co.uk/galleries/article-12512611/Ukraine-launches-largest-attack-occupied-Crimean-Port.html?ns_mchannel=rss&ns_campaign=1490&ito=1490

“The dam’s reservoir supplies water to Crimea, which has been for the last 240 years home of the Russian Black Sea Fleet.

Source: https://www.breitbart.com/politics/2023/06/06/tucker-carlson-releases-first-episode-of-twitter-show/

The Russian Defense Ministry cited an alleged Ukrainian drone attack Saturday (Oct. 29, 2022) against Russia’s Black Sea Fleet ships moored off occupied Crimea as the reason for the move.

Source: https://drgnews.com/2023/03/21/russia-open-to-ukraine-grain-exports-but-demands-conditions/

The UK MoD also added that the Russian Black Sea Fleet would probably be more of an active disruptor now to future trade, although they will be “at risk” from Ukrainian uncrewed surface vehicles and coastal defence cruise missiles.

Source: https://www.huffingtonpost.co.uk/entry/russia-masked-real-reason-black-sea-grain-deal-ukraine-disinformation_uk_64b7e811e4b09a3b489041eb