Ukraine's Third Army Corps and Khartiia launch shared training programs
Ukraine to create assault, drone and air defense regiments in National Guard
Soldier flees Russian lines after six months in Kupyansk
U2 to film music video with Ukrainian brigade
Khartiia controls Kupiansk center – National Guard Commander
Ukrainian Khartiia fighters stop Russian push north of Kharkiv
Ukraine's Khartiia Brigade raises flag over Kupyansk City Hall, clears Russian forces – video
Ukrainian commander reveals how the Kupiansk operation began