Ukraine’s top negotiator is scheduled on Thursday to meet in Florida with U.S. special envoy Steve Witkoff, two days after the American's high-stakes meeting with Russian President Vladimir Putin in Moscow, according to a senior administration official.

The latest U.S. push to end Russia’s nearly 4-year-old war in Ukraine has unleashed a frenzy of diplomatic activity.

European leaders have reportedly expressed fears about the Trump administration using peace negotiations to “betray” Ukraine as the country seeks to end its nearly four-year war with Russia.

US special envoy Steve Witkoff will meet senior Ukrainian negotiator, Rustem Umerov, for talks in Miami on Thursday.

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

US President Donald Trump expressed optimism after a high-level meeting between US officials and a Ukrainian delegation in Miami on Sunday, suggesting there was a “good chance” of a deal to end Russia’s war in Ukraine.

Speaking in New Delhi ahead of a state visit, Putin said a Tuesday meeting with U.S. Special Envoy Steve Witkoff and Jared Kushner was "a necessary conversation, a very concrete one." Though he added that there were some provisions in the peace deal "we can't agree to.