.Putin phones cross-border strike in Kursk location a 'provocation' The Washington PostRussia points out Ukrainian soldiers crossed in to its territory and also introduced 'enormous assault' CNNHow deep into Russian region has Ukraine's shock August incursion hit? MeduzaUkraine Launches Rare Cross-Border Ground Attack Into Russia The New York City TimesRussia: State of emergency situation in Kursk amidst attack DW (English).