Ukraine claims to have sunk a Russian warship off the Crimean peninsula by an attack by Ukrainian water drones. The corvette “Sergei Kotov”, which the Black Sea Fleet operates as a heavy patrol boat, was hit, the Ukrainian military intelligence service HUR announced on Telegram on Tuesday.

The ship suffered hits in the stern as well as port and starboard. A video is circulating on the Internet that supposedly shows the explosions on the     Serge Kotov.