You're reading: Politico: Ukrainian politician behind controversial peace proposal to appear in Mueller probe

A Ukrainian politician who communicated with Trump associates about a controversial plan to resolve Ukraine’s conflict with Kremlin-backed separatists said May 14 that he has been called to testify before a grand jury connected to special counsel Robert Mueller’s investigation.

Andrey Artemenko said he could not provide details of his upcoming appearance before the grand jury, which he said is scheduled for May 18. But he said he assumed he would be asked about the peace plan, about which he communicated with Michael Cohen, President Donald Trump’s longtime personal attorney, in early 2017.

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