Analysis has been prepared by Treasury civil servants and their analysis shows that the current arrangements of a full monetary, fiscal, political union bring economic benefits to all parts of the United Kingdom.
Breaking up that union would represent a fundamental change and confront an independent Scottish state with difficult choices about what to put in its place.
More top news
With life in the city offering little security, for some Greeks life in the country has suddenly become a good place to be.
Two young women took on a challenge of the "mind and heart" to become first-ever Afghan women's team to conquer a 250km endurance race.
Despite some of the toughest laws on domestic abuse in the world, murder by an intimate partner in South Africa is at an all-time high.