Putin calls cross-border attack in Kursk region a 'provocation' - The Washington Article

.Putin calls cross-border assault in Kursk area a 'provocation' The Washington PostRussia says Ukrainian troops intercrossed in to its own region and also introduced 'huge strike' CNNHow deep in to Russian territory has Ukraine's surprise August attack hit? MeduzaUkraine Launches Rare Cross-Border Ground Attack Into Russia The Nyc TimesRussia: State of urgent in Kursk among attack DW (English).