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