.Putin phones cross-border assault in Kursk region a 'provocation' The Washington PostRussia points out Ukrainian soldiers intercrossed right into its region as well as introduced 'enormous strike' CNNHow deep in to Russian area has Ukraine's unpleasant surprise August attack reached? MeduzaUkraine Launches Rare Cross-Border Ground Attack Into Russia The New York City TimesRussia: Condition of emergency in Kursk among incursion DW (English).