6."Today, Commander-in-Chief Syrskyi has already reported several times, on the front-line situation and on our actions to push the war out into the aggressor's territory," Zelensky said. "I thank every unit of our Defense Forces that makes this happen."Ukrainian forces launched a surprise attack against Kursk Oblast, which borders Ukraine's northeastern Sumy Oblast, on Aug. 6. Russia's Defense Ministry acknowledged the incursion on Aug. 9, admitting its forces were fighting the Ukrainian army on the outskirts of the town of Sudzha.Russian authorities on Aug. 10 announced a so-called "counter-terrorism operation" in bordering Kursk, Bryansk, and Belgorod oblasts in response to the incursion.Ukrainian troops on Aug. 10 then reportedly entered Russia's Belgorod Oblast, three kilometers away from the Ukrainian border. Kyiv has largely maintained a policy of silence on the incursion, despite the ongoing fighting and Ukraine's continuing advance.