.Putin calls cross-border attack in Kursk location a 'justification' The Washington PostRussia says Ukrainian soldiers crossed right into its region as well as introduced 'large assault' CNNHow deep right into Russian region has Ukraine's surprise August incursion arrived at? MeduzaUkraine Launches Rare Cross-Border Ground Assault Into Russia The The Big Apple TimesRussia: Condition of emergency in Kursk amid attack DW (English).