The talks are about how Russia's offensive war against Ukraine can be ended, writes the chief of staff at X.
It was rumored on Tuesday that US envoy Steve Witkoff and Zelensky would meet in Turkey, but according to officials, Witkoff's trip has been postponed.
At the same time, the chief of staff writes that the delegation is in "constant contact" with representatives of US President Donald Trump.
Zelensky is holding talks while it is announced that several people have been killed in a large-scale Russian attack on, among other things, western Ukraine during the night of Wednesday.
