"This is a geopolitical plan, there will be no real gain from inviting Montenegro, neither to NATO nor to regional or European security," Grushko said during a press conference at Rossiya Segodnya news agency.
The Russian envoy added that Montenegro was risking losing "good-neighborly relations" with Russia by participating in NATO’s official policy to contain Russia.
The United States and NATO have been building up their combined military presence in Europe, particularly in the Eastern European countries bordering Russia, in response to Russia's alleged interference in Ukraine.
Moscow has repeatedly stressed that it is not a party to the Ukrainian conflict, and that military expansion toward Russia's borders only increases tensions by threatening regional and international security.
