Moscow threatens retaliation for permitting Ukraine to strike inside Russia, keeping alive its implied nuclear menace.
This is a breaking news story and is being constantly updated by our reporters as the breaking news story develops ...
Vladimir Putin has warned that Moscow may order strikes on "decision-making centres" in Kyiv. It follows a "massive" attack ...
Last week, Russia fired its new intermediate-range ballistic missiles at Ukraine and hit a factory in the central city of ...