.Putin gets in touch with cross-border assault in Kursk area a 'provocation' The Washington PostRussia states Ukrainian troops intercrossed into its territory and also released 'extensive strike' CNNHow deep in to Russian area possesses Ukraine's surprise August incursion gotten to? MeduzaUkraine Launches Rare Cross-Border Ground Assault Into Russia The New York City TimesRussia: State of emergency situation in Kursk among attack DW (English).