The Chancellor's expected to formally announce later Scotland wouldn't be able to keep the pound if it chooses to become independent.
George Osborne will give a speech in Edinburgh calling on voters to stay in the union - because of the 'economic security it brings'. The SNP's accused the government of trying to 'bully' Scots into voting 'no'. Meanwhile, a Scottish Labour MEP says he can understand why the UK may not want to share sterling. David Martin says Scotland could opt for its own currency: