active·National security and defenceUkrainian forces surprise Russia with liberation of Serednie in Vivaldi campaign18 Sept 2026·1 event·1 sourceFollowHow events unfoldedFrom the beginning to today18/09/2026, 08:28Ukrainian forces surprise Russia with liberation of Serednie in Vivaldi campaign1 source →1 of 1 eventsStoryline coverage1 source · 1/7