European Union leaders insisted on Thursday that no decisions can be taken about the future of war-ravaged Ukraine without its consent or behind the backs of its partners in Europe, barely a month before U.S. President-elect Donald Trump takes office.

Ukraine's position is precarious more than 1,000 days into the war. Russia continues to make gains on the battlefield, pushing the front line gradually westward despite suffering heavy casualties. Ukraine's energy network is in tatters and military recruits are hard to find.