.Putin contacts cross-border assault in Kursk location a 'provocation' The Washington PostRussia states Ukrainian troops intercrossed into its area as well as launched 'extensive attack' CNNHow deep right into Russian territory has Ukraine's surprise August attack hit? MeduzaUkraine Launches Rare Cross-Border Ground Assault Into Russia The Nyc TimesRussia: State of emergency situation in Kursk surrounded by incursion DW (English).