Chancellor George Osborne's expected to rule out the possibility of an independent Scotland keeping the pound when he makes a speech in Edinburgh later.
Nationalists say the UK government is bluffing and that a currency union is the best option.
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Kerrie Gosney brings you Saturday night's forecast
Severe gales possible for a time north of the border overnight. A cold, raw wind sets in Sunday. Showers turning wintry Monday & Tuesday.
Today, the Government announced plans to increase rail services in the North. But what does it mean for Cumbria?