active·National security and defenceDetails of secret operation 'Vivaldi' that denied Russians foothold near Izium18 Sept 2026·1 event·1 sourceFollowHow events unfoldedFrom the beginning to today18/09/2026, 17:28Details of secret operation 'Vivaldi' that denied Russians foothold near Izium1 source →1 of 1 eventsStoryline coverage1 source · 1/7