Ceding large swathes of Ukrainian land to Russia under a peace proposal suggested by US President Donald Trump would be “a capitulation,” Germany’s defense minister warned on Sunday, as North Korea acknowledged for the first time it had deployed troops to fight for Moscow.

North Korea confirmed for the first time on Monday that it had sent troops to fight for Russia in the war in Ukraine under orders from leader Kim Jong Un.

President Donald Trump said on Sunday that he's giving "two weeks" for Ukraine and Russia to make a deal as Kyiv is losing too many people to continue fighting amid the ongoing war with Russia, adding that he's disappointed in Russian President Vladimir Putin for continuing the conflict after peace negotiation talks.

Officials say Ukraine and Russia have targeted each other with long-range strikes amid continuing uncertainty about whether an agreement to stop their more than three-year war is within reach

The Trump administration has been trying to broker a peace deal between Ukraine and Russia to halt the three-year conflict.

Secretary of State Marco Rubio says the U.S. may withdraw from mediation talks with Ukraine and Russia if President Donald Trump's administration doesn't see progress.