.Putin phones cross-border attack in Kursk location a 'justification' The Washington PostRussia says Ukrainian troops intercrossed right into its own territory and also introduced 'extensive attack' CNNHow deep right into Russian region possesses Ukraine's surprise August attack reached? MeduzaUkraine Launches Rare Cross-Border Ground Attack Into Russia The Nyc TimesRussia: Condition of emergency in Kursk surrounded by incursion DW (English).