Scotland votes in a referendum later this year on whether to become independent. But, its government has been told it may have to give up some sovereignty, if it wants to retain Britain's currency.
The warning came from the Bank of England Governor, who is in Edinburgh. The pro-independence party is keen to keep the pound, if Scotland splits from the UK in a referendum September.
Al Jazeera's Paul Brennan has more from Edinburgh.
Source: Al Jazeera