Russia has massed “tens of thousands of troops” as part of a major effort to retake land in its Kursk region that was seized by Ukraine, according to the Commander-in-Chief of Kyiv's armed forces.

Questions remain over how U.S. support for Ukraine would continue under a second Trump administration as Russia continues its invasion and Republicans remain divided on future aid.

Donald Trump urged Vladimir Putin not to escalate the war in Ukraine in a phone call two days after the presidential election ...