.Putin gets in touch with cross-border strike in Kursk region a 'justification' The Washington PostRussia states Ukrainian soldiers crossed into its region as well as launched 'large attack' CNNHow deep into Russian region possesses Ukraine's shock August incursion reached? MeduzaUkraine Launches Rare Cross-Border Ground Assault Into Russia The The Big Apple TimesRussia: Condition of emergency in Kursk amidst incursion DW (English).