KIEV, Dec. 21 (Xinhua) -- Ukraine's talks with U.S. and European partners over the past three days in the U.S. state of Florida were "productive and constructive," Ukraine's top peace negotiator Rustem Umerov said on Sunday.

In a Facebook post, Umerov said discussions between Ukraine and the U.S. focused on further development of a 20-point peace plan, aligning positions on multilateral and U.S. security guarantee frameworks for Ukraine, and further development of an economic and prosperity plan.

The sides also discussed timelines and the sequencing of next steps.

"Our shared priority is to stop the killing, ensure guaranteed security, and create conditions for Ukraine's recovery, stability, and long-term prosperity," Umerov said.

U.S. presidential special envoy Steve Witkoff issued a similar statement on X, confirming that "a series of productive and constructive meetings" were held over the past three days.