Russia repelled an attack by naval drones on its Black Sea fleet stationed in the Crimean port of Sevastopol in the early hours of Monday, Russia's defence ministry said.
Sevastopol, which is on the Crimean peninsula that Russia annexed from Ukraine in 2014, has come under repeated air attack since Russia sent troops into Ukraine last February. Russian officials have blamed the attacks on Ukraine.
"At about 3.30 a.m. (0030 GMT), the Kyiv regime tried to attack the base of the Black Sea Fleet in Sevastopol with three unmanned high-speed boats," the ministry said in a statement.