After pushing back Kyiv's forces in Kursk Oblast, Moscow has launched assaults on the Ukrainian regions of Kharkiv and Sumy.

Ukraine and Russia are striving to secure battlefield advantages amid faltering peace efforts led by President Donald Trump.

Fighting has raged in Ukraine since Russia launched a full-scale invasion ... times when there have been changes not reflected in the maps.

The US said on Tuesday it had reached agreements with Ukraine and Russia for a ceasefire in the Black Sea, following talks with both parties in Saudi Arabia. The White House said Kyiv and Moscow ...