In the fall, Ukraine, the United States, and South Korea said North Korea — which previously had supplied weapons to Moscow — had also deployed 10,000-12,000 troops to Russia to fight in Kursk.

Russia's defence ministry says Ukrainian forces suffered more than 76,000 dead and injured soldiers in Kursk, and lost more than 412 tanks among several thousand lost military vehicles. Ukraine ...

Russia regained control of Kursk, the border region overtaken in a surprise incursion by Ukraine last year, President Vladimir Putin has claimed.

Mr. Putin said that the Ukrainian offensive into the Kursk region “has completely failed.” At the peak of its incursion, Ukraine controlled some 500 square miles of Russian territory.

Russia is attempting to cut Ukraine's crucial supply road into Kursk, which is already under fire, meaning several thousand Ukrainian troops inside Russia are now at growing risk of encirclement.

Ukraine’s presence in Russia’s Kursk region has deteriorated sharply, with the advance threatening Kyiv’s sole territorial bargaining counter at a crucial time in the war.

The same night, Russia launched 194 drones — the second-most in a single night since the war began, after the 267 fired at Ukraine Feb. 23 — and 67 missiles, the most projectiles in recent ...

“Russia occupies 18 percent of Ukraine, and Kursk is much, much smaller than 1 percent of Russia,” he said. “There’s a fairly significant differential in terrain held.

In Ukraine’s incursion in the Kursk region, Zelensky said Russian and North Korean troops had suffered heavy losses in fighting in Russia’s Kursk region.

Ukraine launched a surprise new offensive in Russia’s Kursk region on Sunday, aiming to strike back after months under pressure ahead of President-elect Donald Trump’s inauguration.

Russia has not focused a huge share of its efforts on Kursk, instead focusing on attacking Ukraine's east, continuing to advance, but there are indications it may be preparing to use as many as ...

The drone flying over Korenevo village, in the Kursk region of Russia that Ukraine invaded in August, recorded a grisly scene: at least seven bodies lying on the road, most of them in civilian ...