Ukrainian Armed Forces launched an offensive into Kursk Oblast, achieving operational surprise by keeping timing and location secret from troops, allies, and Russian forces.

Ukrainian Armed Forces launched an offensive into Kursk Oblast, achieving operational surprise by keeping timing and location secret from troops, allies, and Russian forces.

Russian sources claim that on August 6, units of the Armed Forces of Ukraine crossed the state border and occupied several settlements in the Suzhansky and Korenevsky districts of the Kursk oblast.

The security situation in Sumy Oblast became more tense with the start of Ukraine's cross-border incursion into neighboring Kursk Oblast in Russia, which began on Aug. 6.

300 troops from Ukraine's 22nd Mechanized Brigade supported by 11 tanks and over 20 armored vehicles attacked Russian border positions near Nikolaevo-Darino and Oleshnya

Ukrainian forces, numbering up to 10,000 servicemembers, advanced 20 miles deep into Russian territory

Ukrainian forces advanced up to 30 km from the border in Kursk Oblast

On August 6, Ukrainian groups crossed the border into Kursk region at night in several directions with little resistance.