.Putin gets in touch with cross-border attack in Kursk location a 'justification' The Washington PostRussia claims Ukrainian troops crossed into its region as well as launched 'enormous assault' CNNHow deep right into Russian region possesses Ukraine's surprise August attack reached? MeduzaUkraine Launches Rare Cross-Border Ground Attack Into Russia The New York City TimesRussia: Condition of unexpected emergency in Kursk in the middle of incursion DW (English).