"Timeline of the Russia-Ukraine Conflict: Day 581 and Beyond"

Russia releases video of commander Viktor Sokolov after Ukrainian special forces claimed he was killed in an attack on the Black Sea Fleet's Sevastopol naval base; UK defense ministry reports ongoing battles in the Black Sea; Ukraine's air defenses destroy Russian drones but suffer damage in Izmail; Russian shelling kills two in Donetsk and injures two in Kherson; Dmitry Medvedev visits troops near the front line; Ukrainian President Zelenskyy calls for stronger action against Russia; Canada's Parliament speaker resigns after honoring a man who fought in a Nazi unit; Alexey Navalny loses appeal against prison term; five Bulgarians charged with spying for Russia appear in court; US imposes sanctions on Russian and Chinese companies supplying drone technology; Estonia joins Germany in ammunition procurement for Ukraine; Ukraine to host defense industries forum with international participation.