.Putin phones cross-border attack in Kursk region a 'justification' The Washington PostRussia mentions Ukrainian soldiers crossed right into its region as well as launched 'substantial strike' CNNHow deep into Russian region has Ukraine's shock August attack gotten to? MeduzaUkraine Launches Rare Cross-Border Ground Assault Into Russia The New York TimesRussia: Condition of emergency in Kursk among attack DW (English).