This comes after positive talks in Saudi Arabia, where the two nations discussed security guarantees and the rare minerals deal proposed by Trump.
Moscow Mayor Sergei Sobyanin said that at least 69 drones were destroyed that approached the city in several waves.
In the same interview, Witkoff emphasized that the US and Israel needed a deadline on the release of the remaining hostages in Gaza.
Readers of The Jerusalem Post have their say.
At least Zelensky has the Europeans to fall back on if he loses US support altogether. Who does Netanyahu have?
Trump says he believes that Ukraine will sign the minerals deal, but that Zelensky must show greater willingness for peace.
The plan was vetoed in favor of watered-down language on Russia and stronger language on China, sources say.
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Ukrainian forces in Russia's Kursk region face encirclement as Russian troops advance, cutting supply lines in a major setback for Kyiv's strategic gambit to gain leverage in potential peace talks.
Russia holds around a fifth of Ukraine's territory and its forces are steadily advancing in the eastern Donetsk region.