Scotland's economy would be in a "parlous state" if it becomes independent in next month's referendum, the chair of HSBC Scotland claims.
Douglas Flint, who describes himself as an exiled Scot, warned that sterling currency was an "anchor of stability" for Scotland.
Writing in the Daily Telegraph, he said: "At the extreme, uncertainty over Scotland's currency arrangements could prompt capital flight from the country, leaving its financial system in a parlous state."
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Theresa May has launched her bid to become the next leader of the Conservative Party.
The government is set to announce that David Cameron's successor will make the decision on whether to expand Heathrow or Gatwick.
Michael Gove is to stand for the Conservative Party leadership, saying he does not believe Boris Johnson can "provide the leadership".