A former Ukrainian submarine commander who defected to Russia was killed in an explosion in Sevastopol, with unconfirmed reports identifying the victim as a Russian serviceman. This incident follows other Ukrainian military actions, including the destruction of a Russian command post and claims of damaging air defense systems in Crimea.

A Russian missile strike on the Ukrainian city of Dnipro resulted in the deaths of five people and injured dozens more. Following the deadly attack, a day of mourning was declared in Dnipro.