active·National security and defenceUkrainian soldier Olefirienko, born in 1991, served in multiple military units05 Sept 2026·1 event·1 sourceFollowHow events unfoldedFrom the beginning to today05/09/2026, 09:00Ukrainian soldier Olefirienko, born in 1991, served in multiple military units1 source →1 of 1 eventsStoryline coverage1 source · 1/7