.Putin gets in touch with cross-border assault in Kursk location a 'provocation' The Washington PostRussia states Ukrainian troops crossed right into its territory and launched 'substantial assault' CNNHow deep in to Russian area has Ukraine's surprise August attack arrived at? MeduzaUkraine Launches Rare Cross-Border Ground Attack Into Russia The Nyc TimesRussia: Condition of urgent in Kursk amid attack DW (English).