.Putin gets in touch with cross-border assault in Kursk area a 'provocation' The Washington PostRussia says Ukrainian soldiers intercrossed into its territory and also released 'substantial assault' CNNHow deep right into Russian area possesses Ukraine's shock August attack hit? MeduzaUkraine Launches Rare Cross-Border Ground Assault Into Russia The Nyc TimesRussia: State of emergency in Kursk surrounded by incursion DW (English).