A tripartite meeting was held with the participation of US President's National Security Adviser Jake Sullivan, Turkish President's Spokesman Ibrahim Kalin and Head of the Office of the President of Ukraine Andrey Yermak.

APA reports that Yermak said this on Twitter.

According to him, the situation in the war zone in Ukraine was discussed during the meeting.

"Also, coordination of response measures to Russia's recent aggressive actions was discussed.

"We emphasized the importance of Ukraine receiving reliable international security guarantees until our country becomes a member of NATO," the Ukrainian official added.

It should be noted that the meeting took place in Turkey.