Moscow announces the sinking, in a naval drone attack, of the Ukrainian reconnaissance vessel Simferopol, at the mouths of the Danube.

In a rare attack, the Russian army struck a Ukrainian warship, resulting in at least one death and several injuries. The spokesperson for the Ukrainian Navy, Dmytro Pletenciuk, confirmed the incident, stating that most crew members are safe and that searches are underway for the missing sailors. Russia used a maritime drone for this attack, a novelty in its strategy.