active·National security and defenceSergeant Oleksiy Tkachenko killed in action on February 4, 2025 near Kursk07 Sept 2026·1 event·1 sourceFollowHow events unfoldedFrom the beginning to today07/09/2026, 09:00Sergeant Oleksiy Tkachenko killed in action on February 4, 2025 near Kursk1 source →1 of 1 eventsStoryline coverage1 source · 1/7