Ukrainian military intelligence announced today, Tuesday, that Ukrainian unmanned boats caused damage to a Russian patrol ship in the Black Sea near the Crimean Peninsula. The intelligence stated that "its special unit (group 13) attacked the ship Sergey Kotov near the Kerch Strait." It added that "the attack inflicted damage on the Russian ship valued at approximately 65 million dollars." Ukrainian Presidential Office Chief Andriy Yermak declared today that "the Russian Black Sea Fleet is a symbol of occupation. It cannot remain in the Ukrainian Crimean Peninsula," in a clear reference to the attack.