In addition to its operation on the eastern front, Russia began what the ISW describes as its "subordinate main effort" when it crossed the international border to the north of Ukraine's second ...

The attack, which was claimed by the Russian defence ministry but has not been acknowledged by Ukraine, was reported exactly six months after Kyiv launched its initial cross-border assault into ...

Around 20% of Ukraine is currently controlled by Russian forces, who have captured territory in the south and east of the country. Russia has said keeping control of these regions - including Crimea ...

Tuesday's talks will be among the first high ... with Russian-backed separatists taking control of parts of the Donetsk and Luhansk areas of the eastern Donbas region later that same year. (This area ...