Russian forces have conducted localized advances near Bilytske in Donetsk Oblast's Pokrovsk district, with open-source monitoring groups such as DeepState reporting incremental gains in early October 2026 along the Dobropillia axis. These moves form part of broader Russian efforts to develop pressure toward Kramatorsk and Sloviansk. Ukrainian units have responded with Operation Vivaldi, a counteroffensive north of Sloviansk and Lyman that has reclaimed multiple settlements and over 170 square kilometers since September, forcing Russian elements into defensive postures in adjacent sectors. Russian attempts at larger encirclements in the area have been disrupted, with net territorial losses reported for September. Ongoing artillery duels, drone strikes, and infantry infiltration tactics continue to shape control of individual settlements like Bilytske, where full capture would require sustained breakthroughs against Ukrainian defensive lines reinforced by the Third Army Corps.