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 Shows It Can Pull Off Shock, Complex Invasion of Russia  Business InsiderKursk incursion: Putin sends reinforcements to battle Ukraine’s Russia attack  NBC NewsMoscow rushes to send troops as Ukrainian attack on Kursk tests Kremlin  The Washington Post