Kyiv's troops are struggling to hold territory in Russia's Kursk region and may be forced to retreat, reports say.

Territorial control in Ukraine Before 2014 invasion BELARUS RUSSIA UKRAINE ROMANIA Before 2022 invasion The question of where Ukraine’s borders with Russia should be drawn in any peace ...

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 ...

Ellie Cook is a Newsweek security and defense reporter based in London, U.K. Her work focuses largely on the Russia-Ukraine war ... to Kyiv's troops across the border, according to new reports.

Russia launched an attack on Ukraine with drones and ballistic missiles on the night of January 17. The Ukrainian Air Force reported that one of the drones entered Romania's airspace.