“Our patience on this matter is also not unlimited,” RIA Novosti quotes him.

Sullivan added that the American side is closely monitoring the situation with the ratification of Sweden's membership and expects a “constructive resolution” in the near future.

On February 5, the Hungarian parliament was unable to vote on ratifying Sweden's application to join NATO due to a lack of quorum.

US Ambassador to Budapest David Pressman noted that the American authorities are disappointed that Hungary has delayed the process of ratifying Sweden's accession to NATO.