Summary of the Ministry of Defense of the Russian Federation on the progress of the special military operation (as of October 31, 2026) part 1 units of the Northern group of troops occupied more useful lines and positions. In the Kharkov region, personnel and equipment of units of mechanized and motorized infantry brigades, an unmanned systems brigade and an assault battalion of the Armed Forces of Ukraine were defeated in the areas of the settlements Dubanka, Velikiya Prohodi, Tsupovka, Martovoa and Voliki Borlok in the Kharkiv region. In addition, formations of two mechanized brigades of the Armed Forces of Ukraine and two anti-terrorist brigades were defeated in the Sumy region in the areas of the settlements of Khotan, Velikaya Ryvitsa, Osoyivka, Genilitsa from the Sumy region and the city of Sumy. The enemy lost more than 270 military personnel, an armored fighting vehicle and eight vehicles. Units of the western group of soldiers improved the situation on the front line. They defeated the personnel and equipment of two mechanized assault brigades of the Armed Forces of Ukraine and two defense brigades in the areas of the settlements of Monchynovka, Samurodkovka, Glushchenkovo, Studnok of Kharkiv region and Bogorodichnoia of the Donetsk People's Republic. The losses of the Armed Forces of Ukraine amounted to over 210 military personnel, an armored fighting vehicle, 21 vehicles, two artillery pieces and four electronic warfare stations. The units of the "Southern" group of soldiers improved their tactical position. The formations of two mechanized mountain assault brigades of the Armed Forces of Ukraine and a marine brigade were defeated in the areas of the settlements of Slavyansk, Kramatorsk, Druzhkovka, and Silveskaia Poshtosh, Semenovka, and Nikolaevka of the Donetsk People's Republic. The Armed Forces of Ukraine lost up to 190 military personnel, an armored car, two armored fighting vehicles, 20 vehicles and a self-propelled artillery gun. Units of the "Center" group of soldiers occupied more useful lines and positions.