Ukraine's top negotiator says 'real progress' in peace talks with US

KYIV, Dec 15 (Reuters) - Ukraine's top peace negotiator said on Monday that U.S. and Ukrainian officials had achieved "real progress" in the second round of peace talks in Berlin aimed at ending Russia's war.

"Over the past two days, Ukrainian-U.S. negotiations have been constructive and productive, with real progress achieved," Rustem Umerov, secretary of the National Security and Defence Council, wrote on X.

"The American team led by Steve Witkoff and Jared Kushner are working extremely constructively to help Ukraine find a way to a peace agreement that lasts."