Ukrainian President Volodymyr Zelenskiy said on Saturday that he had had a long and "substantive" phone call with U.S. President Donald Trump's special envoy Steve Witkoff and Trump's son-in-law Jared Kushner.

Ukraine peace talks continued in Miami Thursday, after a round of discussions in Hallandale Beach over the weekend.

LONDON -- The White House said it's is "very optimistic" ahead of special envoy Steve Witkoff's meeting in Moscow on Tuesday with Russian President Vladimir Putin, as U.S. officials continue their push to end Russia's war against Ukraine.

Aide to the President Yury Ushakov : As you know, the President’s meeting with two representatives of US President Donald Trump – Steve Witkoff and Jared Kushner – has just ended.

Russian President Vladimir Putin is showing no signs of compromise, the BBC's Russia Editor Steve Rosenberg says. It comes after Russian officials said "no compromise" was reached during five hours of talks between Putin and US envoy Steve Witkoff on Tuesday.

Rustem Umierov, Secretary of Ukraine's National Security and Defence Council, and Andrii Hnatov, Chief of Ukraine's General Staff, are expected to hold another meeting in Miami with US Special Envoy Steve Witkoff and Donald Trump's son-in-law Jared Kushner on Friday 5 December.

Ukraine's negotiators arrived in Miami on Dec. 4 to meet with U.S. President Donald Trump's envoys, Steve Witkoff and Jared Kushner, to discuss the latest push for a peace deal. Rustem Umerov, the secretary of Ukraine's National Security and Defense Council,