The Kremlin has warned that Ukraine's accession to NATO would be an unacceptable threat, as Kiev seeks an invitation to join.

Ukraine's accession to NATO has been the subject of dispute, with Kiev arguing that the only real guarantee of security is NATO membership, while the Kremlin has warned that this would pose an unacceptable threat to Russia. The Kremlin spokesman emphasized that the security of one country could not be ensured at the expense of another.