Russian troops, including soldiers disguised as Ukrainians, briefly broke through the frontlines in the northeast, a sign that Moscow is successfully pressuring Kyiv. Four waves of Kremlin fighters descended on the re-conquered city of Kupiansk on Wednesday,

Experts tell Andy Gregory and Tom Watling that the real question is how much Kyiv’s troops are able to inflict casualties on the Russians as the price for taking the territory back

The Russian counteroffensive in western Russia’s Kursk Oblast is off to a bloody and chaotic start. After six days, Ukrainian drone operator Kriegsforscher has identified 77 destroyed Russian armored vehicles along the northwestern edge of the 250-square-mile salient Ukrainian troops occupy in Kursk.