Our Scotland Political Editor Peter MacMahon spoke to the Prime Minister during his visit to the Scottish Conservative Conference.
Watch the full interview on independence - and how it could affect the border - here:
More top news
Three brothers from Cumbria have become the first people to swim across the two biggest and most powerful whirlpools in the world.
A man involved in a violent burglary while on police bail for leaving a baby home alone has been locked up by a judge
The weekend is hours away - and if you are in Cumbria you have the bonus of it being a Bank Holiday.