A new U.S. push to end Russia-Ukraine fighting has set off a flurry of diplomacy by American, European, Russian and Ukrainian officials.

Belgian Prime Minister Bart De Wever said the European Union's plan to use frozen Russian state assets to fund Ukraine could endanger the chances for a potential peace deal to end the nearly four-year war.

Just a few months into Olga Stefanishyna's job as Ukraine's ambassador to the U.S, she is helping negotiate a peace deal that could end Russia's war on Ukraine.

President Donald Trump, whose envoy Steve Witkoff will visit Moscow next week, said he had no deadline for a deal after earlier pressuring Kyiv to endorse a proposal by Thanksgiving.

The U.S.-backed 28-point peace plan to end the war in Ukraine, which became public last week, drew from a Russian-authored paper submitted to the Trump administration in October, according to three sources familiar with the matter.

Certainly, the latest rounds of American bargaining and pressure on Ukraine are the most substantial yet. “This isn’t another round of what we saw before,” says a Western diplomat in Kyiv. Those close to the talks speak of “serious progress” bringing some Ukrainian and Russian positions together.

Russia is threatening to reject President Donald Trump's Ukraine peace plan unless "key understandings" from his Alaska summit with President Putin are upheld.

The U.S. Army secretary, Daniel P. Driscoll, is in the United Arab Emirates for scheduled meetings with a Russian delegation about President Trump’s latest plan for peace in Ukraine, a U.S. official said.