.Putin calls cross-border attack in Kursk location a 'justification' The Washington PostRussia states Ukrainian troops intercrossed in to its own area and introduced 'gigantic assault' CNNHow deep into Russian region possesses Ukraine's shock August incursion arrived at? MeduzaUkraine Launches Rare Cross-Border Ground Attack Into Russia The Nyc TimesRussia: State of unexpected emergency in Kursk amidst attack DW (English).