.Putin gets in touch with cross-border attack in Kursk location a 'provocation' The Washington PostRussia states Ukrainian soldiers intercrossed in to its area and launched 'massive assault' CNNHow deep in to Russian region has Ukraine's shock August attack hit? MeduzaUkraine Launches Rare Cross-Border Ground Attack Into Russia The New York TimesRussia: State of emergency in Kursk among attack DW (English).