.Putin calls cross-border strike in Kursk location a 'provocation' The Washington PostRussia points out Ukrainian soldiers intercrossed into its own region and introduced 'enormous strike' CNNHow deep in to Russian area has Ukraine's surprise August incursion arrived at? MeduzaUkraine Launches Rare Cross-Border Ground Attack Into Russia The Nyc TimesRussia: Condition of emergency situation in Kursk surrounded by incursion DW (English).