Nato to put 300,000 troops on high alert in response to Russia threat

Alliance's leader says this week's summit will agree its most significant transformation in a generation

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Nato's secretary general said this week's Madrid summit would agree the alliance's most significant transformation for a generation, putting 300,000 troops at high readiness in response to Russia's invasion of Ukraine.

Jens Stoltenberg added that the military alliance's existing forces in the Baltic states and five other frontline countries would be increased up to brigade levels" - doubled or trebled to between 3,000 and 5,000 troops.