KYIV, Ukraine (AP) – Ukraine on Sunday said it struck an oil depot in southern Russia that supplies the Kremlin’s troops as Russian strikes in Ukraine’s eastern Donetsk region, where Moscow claimed further gains, left five civilians dead and 15 others wounded. Ukraine’s General Staff said in a statement Kyiv’s security services were responsible for a drone strike in Russia’s southern Kursk region that morning on an oil depot used to meet the needs of the Russian military, and contains 11 tanks with a total volume of 7,000 cubic meters (about 247,202 cubic feet), adding the attack prompted “powerful explosions...