Watch: Russian submarine blows up as Ukraine claims underwater drone strike; first such attack
Ukraine's SBU security service announced a groundbreaking naval operation, claiming its Sub Sea Baby underwater drones have critically damaged a Russian submarine in Novorossiysk port. This marks the first time Kyiv has successfully targeted a Russian submarine, which reportedly carried Kalibr cruise missile launchers. The attack escalates naval warfare in the Black Sea, following recent strikes on Turkish cargo carriers. 
