Russia’s Bold Push: How They’re Locking Down Kostyantynivka

Tue Jun 23 2026 11:00:53 GMT+0000 (Coordinated Universal Time)

Russian troops stake out the Ukrainian city of Kostyantynivka, a vital gateway to the Donbas. Learn how the conflict is tightening and why it matters.

Russian forces have infiltrated the eastern Ukrainian city of Kostyantynivka, turning it into a "grey zone" with about 130 soldiers on the ground. The move is part of a larger strategy to surround key eastern towns and secure supply lines to Crimea, a goal tied to the Kremlin’s desire to finish seizing Donbas. Ukrainian units, though claiming control, face limited resources and are fighting back with drones and scarce ground troops. If Kostyantynivka falls, Russia could push into Kramatorsk and Sloviansk, further destabilising Ukrainian logistics. The battle for this city highlights both the tactical chessboard and the logistical war on fuel and supplies.

Russian troops have breached the eastern Ukrainian town of Kostyantynivka, and are moving to seal the city. Around 130 Russian soldiers now sit inside the urban core, a move that threatens to take control of a key gateway that could unlock the rest of the Donbas region.

The city sits at a crossroads: if Russia can hold it, the army can push toward the important eastern towns of Kramatorsk and Sloviansk, and the supply line to Crimea, a Crimea‑supporting hot‑spot, is at risk. Ukrainian commanders claim the situation is “under control,” but the reality appears to be a dangerous grey zone with Russia tightening its grip.

Russia’s strategy mirrors earlier advances in places like Pokrovsk. They surround the city from the south and north, using ground advances as well as cheap Chinese drones that can spot and target Ukrainian air launch sites close to the city.

The Ukrainian response is under‑funded and on a tight budget. Drone crews struggle with limited resources, often exhausted after a few missions. A Ukrainian correspondent notes that Russian soldiers are slowly creeping through buildings, sometimes limited to a 100‑metre daily gain, which slows the front line.

Supply lines are getting harder to keep open. Land routes are consistently in danger of being hit, and drones that deliver supplies are frequently intercepted by Russian air defence. Ukrainian forces have also faced a shortage of reinforcements, making it difficult to hold or retake positions.

If the city falls, logistics in the wider region will become more complicated, and the safety of Ukrainian troops in Kramatorsk could be marred. Russian forces have already claimed villages west of the city, further cutting off Ukrainian access to critical support routes.

What does this mean for the war? The encirclement of Kostyantynivka shows a clear Russian intent to tighten its grip on Ukraine’s east, disrupting supplies and creating a crisis in the logistics chain. With fuel shortages intensifying in Russian‑occupied territories, the war is moving from battlefield tactics to supply chain provocations, underscoring how every city matters.