.Putin phones cross-border attack in Kursk region a 'justification' The Washington PostRussia states Ukrainian soldiers crossed in to its region and launched 'substantial attack' CNNHow deep right into Russian territory possesses Ukraine's shock August incursion gotten to? MeduzaUkraine Launches Rare Cross-Border Ground Attack Into Russia The Nyc TimesRussia: Condition of unexpected emergency in Kursk amidst attack DW (English).