.Putin gets in touch with cross-border attack in Kursk area a 'justification' The Washington PostRussia claims Ukrainian soldiers crossed into its own area and released 'massive assault' CNNHow deep in to Russian area possesses Ukraine's shock August attack reached? MeduzaUkraine Launches Rare Cross-Border Ground Assault Into Russia The New York TimesRussia: State of emergency in Kursk amid incursion DW (English).