.Putin calls cross-border assault in Kursk area a 'justification' The Washington PostRussia points out Ukrainian soldiers crossed in to its area as well as introduced 'massive strike' CNNHow deep into Russian territory possesses Ukraine's unpleasant surprise August attack hit? MeduzaUkraine Launches Rare Cross-Border Ground Attack Into Russia The Nyc TimesRussia: State of emergency situation in Kursk amid attack DW (English).