The Russian naval corvette Pavel Derzhavin was hit by an explosion near Sevastopol harbor. The cause of the blast remained unclear, with possibilities including a Ukrainian missile, long-range drone, or striking a Russian sea mine.

Ukrainian navy spokesman Dmytro Pletenchuk said officials in Kyiv were aware that the Pavel Derzhavin had been hit, but the cause and extent of any damage was unclear.

Interior Ministry spokesman Anton Gerashchenko said Ukrainian intelligence sources confirmed the fact of the explosion but the cause was unknown, suggesting it could have been a Ukrainian missile or long-range drone.

Head of Odesa regional defense command Serhiy Bratchiuk said his sources indicated the most likely cause was that the Pavel Derzhavin had struck a Russian sea mine protecting Sevastopol harbor.

Russian language Wikipedia reported the ship as a total loss.

Ukrainian Navy spokesman Dmytro Pletenchuk officially confirmed that the Russian patrol vessel Pavel Derzhavin was damaged in the Black Sea near occupied Sevastopol on October 11, 2023.