.Putin contacts cross-border assault in Kursk area a 'justification' The Washington PostRussia states Ukrainian soldiers crossed into its own area and also released 'substantial attack' CNNHow deep in to Russian area possesses Ukraine's shock August incursion gotten to? MeduzaUkraine Launches Rare Cross-Border Ground Assault Into Russia The New York TimesRussia: State of emergency in Kursk in the middle of incursion DW (English).