.Putin contacts cross-border strike in Kursk area a 'justification' The Washington PostRussia mentions Ukrainian soldiers crossed in to its own region and released 'gigantic strike' CNNHow deep right into Russian region has Ukraine's surprise August attack hit? MeduzaUkraine Launches Rare Cross-Border Ground Attack Into Russia The New York City TimesRussia: Condition of emergency situation in Kursk amidst attack DW (English).