.Putin gets in touch with cross-border attack in Kursk region a 'provocation' The Washington PostRussia mentions Ukrainian soldiers crossed into its region and also launched 'large assault' CNNHow deep right into Russian territory has Ukraine's unpleasant surprise August attack reached? MeduzaUkraine Launches Rare Cross-Border Ground Attack Into Russia The New York TimesRussia: State of emergency in Kursk amidst incursion DW (English).