At the height of the campaign, Ukrainian forces controlled some 500 square miles of Russian territory. Now they hold just a small sliver of land along the border.

Ukrainian forces have likely retreated from nearly all of Russia’s Kursk region. Kyiv’s months-long campaign to seize and hold Russian territory appears to be coming to an end due to Moscow’s counterattacks,

Russia battled on Sunday to drive the last Ukrainian soldiers from western Russia, Russian officials said, after a seven-month incursion by Ukraine that aimed to distract Moscow's forces, gain a bargaining chip and rile President Vladimir Putin.