Key developments on Aug. 12: Ukraine controls nearly 1,000 square km in Russia’s Kursk Oblast, Syrskyi saysUkraine in control of 28 settlements in Kursk Oblast, Russian official tells PutinKursk is Putin’s catastrophe, Zelensky saysPutin vows ‘worthy riposte’ to Ukraine’s Kursk incursionKursk incursion presents Kremlin with border dilemma, ISW saysUkraine is in control of 28 settlements in Kursk Oblast, one week after launching a surprise attack into Russian territory, regional authorities said on Aug. 12. Speaking in a video call with Russian President Vladimir Putin to discuss the ongoing si…