Russia has warned Finland and Sweden against joining Nato, arguing the move would not bring stability to Europe.
Kremlin spokesman Dmitry Peskov told reporters that “the alliance remains a tool geared towards confrontation”.
It comes as US defence officials said Moscow’s invasion of Ukraine has been a “massive strategic blunder” which is likely to bring Nato enlargement.
US officials expect the Nordic neighbours to bid for membership of the alliance, potentially as early as June.
Washington is believed to support the move which would see the Western alliance grow to 32 members. US State Department officials said last week that discussions had taken place between Nato leaders and foreign ministers from Helsinki and Stockholm.
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