Russia’s Foreign Minister said on Sunday there were no plans for a meeting between Ukrainian President Volodymyr Zelensky and Russian President Vladimir Putin, dealing a setback to President Donald Trump’s peace efforts.

Russian Foreign Minister Sergey Lavrov on Sunday said that while Russia is prepared to meet with Ukrainian President Volodymyr Zelensky to further progress peace talks, it questions his legitimacy. When asked by NBC News host Kristen Welker whether Russia views Zelensky as the “legitimate leader” of Ukraine,

The statement by Foreign Minister Sergey V. Lavrov deals a blow to President Trump’s efforts to mediate an end to the war in Ukraine.