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 has ratcheted up tensions with Europe, warning that if the bloc starts a war with Russia, Moscow is ready.

The two countries are looking to strengthen trade ties and are likely to sign bilateral interdepartmental and business agreements during Putin's visit.

Russia and the U.S. did not reach a compromise on a possible peace deal to end the war in Ukraine after a five-hour Kremlin meeting between President Vladimir Putin and Donald Trump's top envoys, the Kremlin said on Wednesday.

KYIV, Ukraine (AP) — Ukraine and its European allies accused Russian President Vladimir Putin on Wednesday of feigning interest in peace efforts after five hours of talks with U.S. envoys at the Kremlin produced no breakthrough.

The push to bring peace to Ukraine and end Russia's ongoing war against its neighbor continues. Newsweek's live blog is closed.

President Putin warned European powers on Tuesday that if they started a war with Russia then Moscow was ready to fight and that the defeat of European powers would be so absolute that there would be no one left to even negotiate a peace deal.