(CNN) Russian President Vladimir Putin and North Korean leader Kim Jong Un will meet in Russia later this month, the Kremlin announced Thursday.

The meeting between the Cold War allies comes at a delicate moment in the nuclear negotiations between North Korea and the United States, which have stalled since the last round of talks in Hanoi fell apart earlier this year.

The Kremlin did not provide any further details about the meeting between Kim and Putin, who are not believed to have ever met each other.

The announcement came just hours after North Korea's foreign ministry called for US Secretary of State Mike Pompeo to be replaced in any further negotiations between the two countries.

In a statement released by the state-run Korean Central News Agency earlier Thursday, foreign ministry official Kwon Jong Gun said Pompeo had been "letting loose reckless remarks and sophism of all kinds against us every day."

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