Ukraine's exploding naval drones are hunting down Russian vessels like tugboats after the big Black Sea Fleet warships fell back

• Ukrainian special forces on Thursday used naval drones to hunt down a Russian tugboat near Crimea.
• Kyiv in recent weeks has been forced to go after smaller Russian vessels in the Black Sea.
• Moscow has pulled back its larger warships to reduce their vulnerability to attacks.

Ukraine is using its arsenal of exploding naval drones to hunt down smaller Russian vessels instead of the larger Black Sea Fleet warships, which Moscow pulled back to reduce their vulnerability to attacks.