On September 15th, the North troop group continued establishing a Buffer Zone in #Kharkiv and #Sumy regions Sumy direction North Troop Group’s assault units are pushing the enemy defenses in Sumy region. The enemy is laying low, trying to hold their positions. Numerous enemy groups eliminated in Studenok, Krovne, Vakalivshchyna, Doroshivka, Banychy, Esman, Tovstodubove. Sumy district: NTG’s assault units are fighting around Khoten and Kiyanytsia .