A British man has been taken prisoner while fighting for Ukraine in Russia’s Kursk region, Russian state media has reported.

Russia's state news agency says a British national has been captured while fighting alongside Ukrainian troops in the Kursk region of Russia, which is partially occupied by Ukrainian forces.

Ukraine has lost over 40% of the territory in Russia's Kursk region that it captured in a surprise incursion in August as Russian forces have mounted waves of counter-assaults, a senior Ukrainian military source said.

Ukraine has lost over 40 per cent of the territory it previously gained in Russia's Kursk Oblast due to Russian counterattacks, Reuters reported on Nov. 23, citing a source in Ukraine's General Staff.

The Russian military have captured a British national fighting alongside Ukrainian troops in Russia's partially occupied Kursk region, state news agency Tass reported Monday, citing unidentified sources in law enforcement.

Ukraine has lost over 40% of the territory in Russia's Kursk region that it seized in a surprise incursion in August as Russian forces have mounted waves of counter-assaults, a senior Ukrainian military source said.

Ukraine has now lost more than 40% of the territory of Kursk Oblast, which it has controlled since August, as a result of Russian counterattacks, says a Reuters source in the General Staff of the Ukrainian Armed Forces.

In the Kursk region, just north of Ukraine, Russian attacks are so intense that infantry soldiers sometimes tread on the bodies of fallen comrades, Ukrainian military personnel report. "The battle for control of the Kursk region has reached a rarely seen intensity in two and a half years of war,

Moscow's soldiers have 'recently advanced' in the segment under Ukrainian control in Kursk, according to the Institute for the Study of War (ISW).