U.K. citizen Ross David Cutmore detained in Ukraine for allegedly working with Russian FSB to plan assassinations and gather military intelligence.

Talks between Russian President Vladimir Putin and U.S. envoys on Tuesday yielded no public breakthrough on a potential Ukraine peace deal, with Kremlin aide Yuri Ushakov suggesting unsolved "territorial problems" were the main stumbling block.

MOSCOW — Russian President Vladimir Putin met with President Donald Trump ’s special envoy tasked with negotiating an end to Russia’s war in Ukraine, as well as his son-in-law, for a "constructive" five-hour meeting Tuesday, but more work needs to be done, Yuri Ushakov, a foreign policy adviser to Putin, said in a video the Kremlin posted online.

Russian President Vladimir Putin's five-hour talks with Trump envoys yield no Ukraine war breakthrough as territorial disputes remain unresolved despite "constructive" discussions.

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Mark Rutte's comments come a day after Putin rejected US proposals for peace in Ukraine after talks with US negotiators in Moscow.

U.S. special envoy Steve Witkoff meets with Russian President Vladimir Putin in Moscow to bring a peace plan to end the nearly four-year war with Ukraine.

The presidents of Ukraine and Russia are expected to be briefed this week on outcomes of Sunday's U.S.-Ukraine talks.

As Steve Witkoff meets with Putin over a Ukraine deal, security assurances remain a sticking point. Ukraine has been offered them before, to little avail.

The European Union on Wednesday revealed details of its plan to use billions of euros in frozen Russian assets to fund Ukraine's needs over the next two years, but Belgium rejected the scheme and insisted that it poses major financial and legal risks.

The confusion still swirling in Washington over President Donald Trump's latest peace plan for Ukraine has made at least one thing clear: The U.S. president's unconventional, all-in approach to diplomacy carries big risks - both domestic and geopolitical - as well as potential rewards.