Fierce fighting in Kupyansk, Russian troops have captured half of the city
Fierce fighting in the streets of Kupyansk, as Russian troops captured half the city, and Ukrainian army supply lines were blocked by fire.
Báo Khoa học và Đời sống•08/09/2025
In the city of Kupyansk, located south of Kharkiv in eastern Ukraine, the Russian Armed Forces (RFAF) are gradually moving into residential areas. The situation is volatile, but the Ukrainian Armed Forces (AFU) do not have enough troops in the city to turn things around. On some AFU maps, the northern settlement extending to Ukrainskaya Street in the east and to Shiroky Lane in the west is shaded in grey. The Ukrainian troops are there as part of a “flexible defence” with several small groups of two or three men each acting as reconnaissance and sabotage forces.
AFU reconnaissance and sabotage teams occasionally appear in the UAV’s camera, but avoid direct combat. Some Ukrainian soldiers on social media claim that the entire north of Kupyansk is a “layer cake”, but the Russians have more troops. Maya Street in the east of the city (which includes the city headquarters) is completely under Russian control. Judging by the battlefield situation, the Russian attack on Kupyansk was well-organized and had clear objectives. The Russian army deployed a multi-pronged, well-coordinated offensive strategy. In the northwest of the city, elite Russian forces skillfully exploited the complex terrain and quickly penetrated the solid Ukrainian defense line. Like a sharp knife, the RFAF's vanguard armored units advanced rapidly towards the N-26 highway axis. The loss of this important transportation axis dealt a fatal blow to the AFU, completely cutting off their main logistical supply line. Since then, Ukrainian supply vehicles, including trucks carrying food and ammunition, have been completely surrounded by Russian fire on this highway, preventing them from providing necessary supplies to the frontline forces. At the same time, in other directions around the city, the Russians also launched a closely coordinated attack. In the east, the 1st Guards Tank Army crossed the Oskil River and launched a fierce attack on the Ukrainian positions. The RFAF's preparatory artillery fire was extremely fierce.
The heavy and fierce artillery fire fell on the AFU's defensive position along the Oskil River, immediately breaking through the AFU's solidly built defense system. Under the strong support of fire, Russian tanks quickly penetrated the Ukrainian position, further tightening Ukraine's defensive space. To the south, the RFAF also made good progress. Through a series of clever tactical operations, they successfully cut off a number of AFU supply lines in the area, leaving the Ukrainian defenses at Kupyansk even more vulnerable. In the fierce street fighting, the RFAF showed their superior fighting ability and tenacious fighting spirit. They fought the Ukrainian army on every street, trying their best in every attack, but still maintaining high fighting spirit. According to reports, Russian special forces have successfully entered the city of Kupyansk and engaged in fierce fighting with Ukrainian troops at several key locations. Currently, the Russian assault force has captured the city administration building, and the battle for this area has entered a fierce phase. Faced with a fierce Russian offensive, the situation for Ukrainian troops in Kupyansk became increasingly dire. With supply lines cut off, ammunition and food for the frontline forces were running low; if the situation continued, they would be forced to retreat. A leaked classified briefing from the AFU General Staff revealed a serious change in the frontline command structure. Colonel Andrei Tkachuk, commander of the AFU's 14th Motorized Rifle Brigade, said in an internal memo that the RFAF had designated Kupyansk as the new main area of attack, and had therefore concentrated a large number of elite troops.
This poses an unprecedented threat to the Ukrainian military. At the current rate of losing two to three defensive positions a day, the fall of Kupyansk may be just a matter of time. Strategically, Kupyansk is of great importance to both sides. For the AFU, the city serves as a vital transit hub for 40% of their supplies along the Northeastern front. If completely captured by Russia, the entire Northeastern front would be paralyzed, which would undoubtedly have a serious impact on further operations. For Russia, the capture of Kupyansk not only expands the scope of control and further narrows the strategic space of the Ukrainian army, but Kupyansk is also located on the Oskil River, the source of the Severski Donets – Donbass canal, which provides water for daily life and farming for the entire Donbass region.
At present, fierce fighting continues in Kupyansk, with both sides vying for control of the city. The outcome of this bloody street battle will have a profound impact not only on the local front, but to some extent on the entire course of the conflict. (photo source: Military Review, TASS, Kyiv Post). Video of Russian soldiers waving the Russian flag in the city of Kupyansk, Kharkov province. Source: Military Review
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