The Police Investigations and Review Commissioner (Pirc) announced it would be reviewing an allegation made against a senior officer on Wednesday.
Yes Vote 'Not In World's Interest'
An independent Scotland would not be in the best interests of the international community, Australia's prime minister has warned.
After a long-running referendum campaign featuring live television debates, leaflet drops and doorstepping, Scots will finally get to answer the question, 'Should Scotland be an independent country?' on September 18.
Today Tony Abbott, elected the Commonwealth country's 28th prime minister last year, became the latest international leader to wade into the debate after US president Barack Obama said his administration had a "deep interest'' in ensuring the United Kingdom remained united.
Mr Abbott, who spent two years at the University of Oxford, told the Times: "What the Scots do is a matter for the Scots and not for a moment do I presume to tell Scottish voters which way they should vote.
"But as a friend of Britain, as an observer from afar, it's hard to see how the world would be helped by an independent Scotland.
"I think that the people who would like to see the break-up of the United Kingdom are not the friends of justice, not the friends of freedom, and that the countries that would cheer at the prospect of the break-up with the United Kingdom are not the countries whose company one would like to keep.''
The Yes campaign, led primarily by the Scottish National Party, believes the nation would be strengthened by independence but the UK government is opposed to the breakaway.
Turnout in the historic ballot is widely expected to be high - it has been suggested as many of 80% of those registered to vote will choose to do so.
A Yes Scotland spokesman said: "Independence seems to be working well for Australia.
"These comments have echoes of Lord George Robertson's ''forces of darkness" speech in April which was widely ridiculed, even by No supporters, as one of the anti-independence campaign's most outlandish scare stories.
"The decision about Scotland's future is one for the people of Scotland to make - a point that even David Cameron asserts. After a Yes vote, Scotland will take her place as a normal and valued member of the international community - just as Australia did when she gained independence at the turn of the century.''
Opposition politicians and organisations representing doctors and nurses have repeatedly highlighted pressures many health workers can face.
London and Edinburgh also ranked in the top 10 list.
The devolved administrations have said they cannot recommend that legislative consent is given to the European Union (Withdrawal) Bill as it stands.
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