.Putin contacts cross-border strike in Kursk region a 'justification' The Washington PostRussia mentions Ukrainian soldiers intercrossed in to its own area and introduced 'substantial strike' CNNHow deep in to Russian territory has Ukraine's shock August attack gotten to? MeduzaUkraine Launches Rare Cross-Border Ground Attack Into Russia The New York City TimesRussia: State of emergency in Kursk in the middle of attack DW (English).