George Osborne has said that breaking the union between Scotland and the rest of the UK, "would represent a very deep dive in to uncharted waters."
"Let's be clear, abandoning current arrangements would represent a very deep dive in to uncharted waters. Would a newly independent Scottish state be prepared to accept significant limits on its economic sovereignty.
"To submit its budgetary plans to Westminster before Holyrood, to constraint the degree of tax competition between Scotland and the rest of the UK. To accept some continuing oversight and what is the economic case for the remaining UK?"
More top news
The Indonesian police plane dropped out of contact and villagers have 'found police uniforms' in the sea.
The Post Office said it was 'business as usual' but unions said Saturday's industrial action was getting solid support.
A former German prisoner of war has left nearly £400,000 to a small Scottish village for the kindness shown to him during his captivity.