.Putin phones cross-border assault in Kursk region a 'provocation' The Washington PostRussia states Ukrainian troops intercrossed right into its territory as well as released 'massive assault' CNNHow deep right into Russian region possesses Ukraine's unpleasant surprise August attack gotten to? MeduzaUkraine Launches Rare Cross-Border Ground Attack Into Russia The New York TimesRussia: Condition of emergency in Kursk surrounded by attack DW (English).