.Putin phones cross-border attack in Kursk location a 'provocation' The Washington PostRussia claims Ukrainian soldiers intercrossed in to its own region and also introduced 'massive attack' CNNHow deep in to Russian area possesses Ukraine's shock August attack hit? MeduzaUkraine Launches Rare Cross-Border Ground Attack Into Russia The New York City TimesRussia: State of emergency in Kursk in the middle of incursion DW (English).