.Putin contacts cross-border assault in Kursk area a 'justification' The Washington PostRussia mentions Ukrainian soldiers crossed right into its region and introduced 'gigantic assault' CNNHow deep in to Russian region has Ukraine's unpleasant surprise August incursion arrived at? MeduzaUkraine Launches Rare Cross-Border Ground Attack Into Russia The New York City TimesRussia: Condition of unexpected emergency in Kursk surrounded by attack DW (English).