.Putin contacts cross-border strike in Kursk location a 'provocation' The Washington PostRussia points out Ukrainian troops intercrossed in to its own region and also launched 'huge strike' CNNHow deep into Russian territory possesses Ukraine's shock August incursion hit? MeduzaUkraine Launches Rare Cross-Border Ground Assault Into Russia The New York TimesRussia: Condition of emergency situation in Kursk surrounded by incursion DW (English).