Three Ukrainian naval drones were destroyed by the Russian Black Sea Fleet as they attempted to penetrate the Sevastopol port over Tuesday night, governor Mikhail Razvozhayev said in a statement.
Razvozhayev said that there was no damage to the fleet.
Russian sailors reportedly shot at the drones with small arms, and air defenses targeted a target in the air.
Ukrainian forces carry out periodic aerial and naval drone attacks on Russian warships stationed at the Crimean port city.