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.
More top news
A look ahead at a lively start to the weekend
The 7th Harley Davidson Wake the Lakes Festival is underway.
Concerns about the safety of the hospital's PFI building have been raised by the NHS Trust. The fire service says improvements are needed.