We wait for full-fledged formal response from Russia, - Kuleba

The Foreign Minister stated this during his visit to Warsaw, Censor.NET reports

"We are waiting for a full-fledged formal response from Russia. From this response, it will be clear whether Russia continues to speak in the language of ultimatums, or whether they have moved on to a constructive discussion of the agenda and finding mutually acceptable solutions." 

It will be recalled that the Ukrainian delegation has launched a new round of talks with Russia online.

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Russian Foreign Minister Serhiy Lavrov said that there were no final plans for negotiations with Ukraine yet, but they should continue. A reaction to the proposals voiced in Istanbul is being prepared.