Stay up to date with notifications from The Independent Notifications can be managed in browser preferences. All News Sport Culture Lifestyle A Ukrainian serviceman walks near apartment buildings damaged by a Russian military strike, amid Russia's attack on Ukraine, in the frontline town of Kostiantynivka in Donetsk region, Ukraine November 15, 2025 ( 24th King Danylo Separate Mechanized Brigade of the Ukrainian Armed Forces) Russian forces are attempting to gain a foothold near Kostiantynivka in Ukraine 's eastern Donetsk region, a city forming part of a heavily fortified "fortress belt". Ukraine's army chief, Oleksandr Syrskyi, reported that Ukrainian forces are repelling persistent Russian infiltration attempts and conducting counter-sabotage operations within the city. Battlefield mapping indicates Russian troops are approximately one kilometre from Kostiantynivka's southern outskirts, with small areas in the southeast designated as "grey zones" of contested control.…