.Putin gets in touch with cross-border assault in Kursk location a 'provocation' The Washington PostRussia states Ukrainian soldiers intercrossed into its region and also introduced 'gigantic assault' CNNHow deep in to Russian region has Ukraine's unpleasant surprise August attack reached? MeduzaUkraine Launches Rare Cross-Border Ground Assault Into Russia The New York City TimesRussia: State of unexpected emergency in Kursk in the middle of attack DW (English).