Ukrainian troops have advanced up to 30km inside Russia, in what has become the deepest and most significant incursion since Moscow began its full-scale invasion of Ukraine in February 2022. Russia's defence ministry said its forces had engaged Ukrainian troops near the villages of Tolpino and Obshchy Kolodez, as the offensive in the Kursk region entered a sixth day. Foreign ministry spokesperson Maria Zakharova accused Kyiv of "intimidating the peaceful population of Russia". (snip) While Ukrainian-backed sabotage groups have launched intermittent cross-border incursions, the Kursk offensive marks the biggest co-ordinated attack on Russian territory by Kyiv's conventional forces. “We are...