Ukraine halts Russia’s advance in northern Sumy region, commander says

Smoke rises from an explosion following a Russian drone strike on Sumy, Ukraine, Monday, April 14, 2025. (AP Photo/Evgeniy Maloletka)

KYIV, Ukraine — Ukrainian forces have halted Russia’s recent advance into the northern Sumy region and have stabilized the front line near the border with Russia, Ukraine’s top military commander said Thursday.

Col. Gen. Oleksandr Syrskyi, commander in chief of Ukraine’s armed forces, said that Ukrainian successes in Sumy have prevented Russia from deploying about 50,000 Russian troops, including elite airborne and marine brigades, to other areas of the front line.

His claim couldn’t be independently verified, and Russian officials made no immediate comment.

Russian forces have been slowly grinding forward at some points on the roughly 1,000-kilometre (620-mile) front line, though their incremental gains have been costly in terms of troop casualties and armor. The outnumbered Ukrainian army has relied heavily on drones to keep the Russians back.

Months of U.S.-led international efforts to stop the more than three years of fighting have failed.

Sumy, the city which is the capital of the Ukrainian region of the same name, had a prewar population of around 250,000. It lies about 20 kilometres (12 miles) from the front line. Russia’s push into the Sumy region earlier this year compelled Ukraine to strengthen its defenses there.

A special defense group has been formed to improve security in Sumy and surrounding communities, Syrskyi said. It’s focusing on improving fortifications and accelerating construction of defensive barriers.

In March, Ukrainian forces withdrew from much of Russia’s neighboring Kursk region, parts of which they had controlled after a surprise cross-border attack in August.

That retreat enabled Russia to launch a counteroffensive that advanced between 2-12 kilometres (1-7 miles) into Ukrainian territory, according to different estimates.

Ukrainian officials say fierce fighting is also taking place in the eastern Donetsk region.

The Russian Defense Ministry said Thursday that its forces have captured two villages, Novoserhiivka and Shevchenko, in Donetsk.

Capturing Shevchenko marked an important stage in Russia’s ongoing offensive that is trying to break into Ukraine’s Dnipropetrovsk region, which borders Donetsk and is a major industrial center, according to the Defense Ministry.

Meanwhile, the two sides continued to launch long-range strikes.

Russia’s Defense Ministry said that 50 Ukrainian drones were downed over nine regions overnight, including three over the Moscow region.

Ukraine’s air force said that Russia deployed 41 Shahed and decoy drones across the country overnight, wounding five people. It said that 24 drones were either intercepted or jammed.

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Illia Novikov, The Associated Press