.Putin calls cross-border assault in Kursk region a 'justification' The Washington PostRussia mentions Ukrainian troops intercrossed right into its own territory and released 'massive strike' CNNHow deep into Russian territory has Ukraine's surprise August incursion gotten to? MeduzaUkraine Launches Rare Cross-Border Ground Attack Into Russia The Nyc TimesRussia: Condition of emergency situation in Kursk amidst incursion DW (English).