All news on the topic: Nato

The 2S4 Tulip self-propelled mortar is 240mm wide and is capable of firing nuclear bombs, but it is likely this would be limited to 'micro-nukes' aimed at destroying an area the size of a football stadium

Alliance Secretary-General Jens Stoltenberg used a speech to the Confederation of Norwegian Enterprise to highlight the threat posed by Beijing as China deepens ties with Moscow

Russian military leaders have blamed soldiers using their mobile phones for giving away the location of their base which was hit by Ukrainian shelling causing at least 89 deaths