KYIV, Ukraine >> 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 counterassaults, 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.

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.