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STORY: Stoltenberg did not reveal which countries reached the goal but referred during a news conference in Brussels to NATO's annual report to be published later on Tuesday.

He urged allies to boost their military spending more swiftly.

At their Wales summit in 2014, NATO leaders agreed to move towards spending at least two percent of their GDP on defence within a decade.

That decision was then a reaction to what it perceived as a severely deteriorated security situation in Europe months after Russia's annexation of the Ukrainian peninsula Crimea.