.Putin phones cross-border attack in Kursk region a 'justification' The Washington PostRussia mentions Ukrainian troops intercrossed right into its area as well as introduced 'huge assault' CNNHow deep right into Russian area possesses Ukraine's unpleasant surprise August incursion gotten to? MeduzaUkraine Launches Rare Cross-Border Ground Assault Into Russia The New York City TimesRussia: State of emergency in Kursk amidst incursion DW (English).