Russia's army has retaken control of 64% of Kursk region territory initially captured by Ukrainian forces after they launched a surprise offensive in the border region last year, a senior Russian military official said Thursday.

Russian forces have taken back more than 800 square km (309 square miles) of territory from Ukraine in the Kursk region of western Russia, or about 64% of the total taken by Ukraine since an incursion began last year,

President Vladimir Putin told Russian media on Feb. 18 that Russian forces had crossed into Ukrainian territory from Kursk Oblast, a claim General Staff spokesperson Dmytro Lykhovyi has dismissed as part of a disinformation campaign.

According to Sergei Rudsky, a senior Russian General Staff official, Ukrainian soldiers are in control of about 500 square kilometers (193 square miles) out of 1,268 square kilometers (490 square miles) initially seized by Kyiv.

Days after Ukrainian troops seized part of Russia's Kursk region in a surprise attack, President Vladimir Putin told defense officials their "main objective" was to repel the invasion. Six months later,

Russian forces are actively targeting logistics routes moving from Ukraine into Russia’s Kursk Oblast, launching fire strikes on everything moving in that direction from Sumy Oblast. Source: Ukrainian military-analytical project DeepState on social media Details: DeepState reports that the most dangerous section is currently Pysarivka-Yunakivka,