.Putin calls cross-border assault in Kursk location a 'provocation' The Washington PostRussia states Ukrainian troops intercrossed into its area and also released 'substantial strike' CNNHow deep in to Russian territory possesses Ukraine's shock August incursion gotten to? MeduzaUkraine Launches Rare Cross-Border Ground Attack Into Russia The Nyc TimesRussia: State of emergency situation in Kursk amid attack DW (English).