"It is absolutely fair that this war is now returning to Russian territory," says Ukrainian foreign ministry spokesperson Georgy Tykhy, speaking a week after Kyiv's troops first began their surprise incursion into the Russian border Kursk region. "The Ukrainian defence force's targets are military forces only," Tykhy says, adding that the operation "helps the frontline" by drawing Moscow's forces away from the eastern Ukrainian Donetsk region. IMAGES AND SOUNDBITES