.Putin calls cross-border strike in Kursk location a 'justification' The Washington PostRussia mentions Ukrainian troops crossed in to its own territory as well as launched 'extensive assault' CNNHow deep in to Russian area has Ukraine's surprise August incursion hit? MeduzaUkraine Launches Rare Cross-Border Ground Assault Into Russia The The Big Apple TimesRussia: State of emergency in Kursk amidst attack DW (English).