.Putin phones cross-border assault in Kursk region a 'provocation' The Washington PostRussia mentions Ukrainian troops intercrossed in to its own area and introduced 'massive assault' CNNHow deep right into Russian region possesses Ukraine's unpleasant surprise August incursion gotten to? MeduzaUkraine Launches Rare Cross-Border Ground Assault Into Russia The Nyc TimesRussia: State of emergency in Kursk amid attack DW (English).