On May 21st, the North troop group continued establishing a Buffer Zone in #Kharkiv and #Sumy regions Sumy direction Northmen’s units continue to advance in Sumy region. Numerous enemy groups eliminated in Vilna Sloboda, Melyachykha, Pysarivka, Velyka Rybitsia, Bunyakine, Ulanove, Esman, Mohrytsia, Nova Sich. Due to colossal manpower losses in Sumy region, the #AFU command is deploying the National Guard’s 30th Guard Regiment. All relatively quiet in Shostka district.