Away from the invasion of the Russian Kursk region, fighting is continuing in parts of Ukraine.
In Crimea - an area that was illegally annexed by Russia in 2014 - the Ukrainian defence intelligence unit has claimed to have destroyed one of Moscow's speed boats.
It said a special unit used a marine attack drone to target the vessel.
"As a result of the operation, three more watercraft of the invaders were also damaged," it said.
