Russia struggles to repel deep Kursk incursion by Ukraine BBC.comVideo shows bodies on burnt-out Russian trucks in Kursk region as Ukrainian cross-border assaults rage CNNUkraine’s surprise attack on Russian soil leaves Putin humiliated The IndependentOne Of Ukraine’s Toughest And Fastest Brigades Has Joined The Invasion Of Russia ForbesMoscow rushes to send troops as Ukrainian attack on Kursk tests Kremlin The Washington Post