KYIV - Ukrainian President's Office chief Andriy Yermak said Friday that he held a phone conversation with Keith Kellogg, the US special envoy for Ukraine and Russia.

The two sides discussed Kellogg's upcoming visit to Ukraine, the situation at the battlefield and the security of Ukrainian civilians, Yermak said on Telegram.

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Achieving a just and sustainable peace remains a priority for Ukraine, he said, adding that another key topic of the conversation was the upcoming meetings at the Munich Security Conference.

Yermak said earlier that Ukrainian President Volodymyr Zelensky would lead a Ukrainian delegation to the conference scheduled for Feb 14-16 in the German city of Munich.