More than 4 in 10 British voters who want to leave the European Union (EU) also also back Scottish independence, according to a new poll.
The BMG poll for The Herald found that 42 per cent of those who plan to vote Leave in June's referendum support the break-up of the Union.
Dr Michael Turner, research director at BMG Research, said that the of support for independence were "almost twice as likely among Leavers when compared to Remainers".
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UK-wide Scottish independence supporters tended to be "people who are much more interested in politics than the general public, they are slightly more left-wing, they are more likely to consider asylum and immigration as key concerns and are substantially more distrustful of government," he said.
Ukip voters were almost two and a half times more likely to support independence than Labour or Conservative voters, he added .
As the poll was UK-wide, a "significant minority" would be SNP supporters.
Previous polls had shown there was a "large dose of euroscepticism" in the SNP, Mr Turner said.
Overall, the poll found that around a third, 34 per cent, of UK voters were pro-independence.
David Cameron is among those who have appealed to voters south of the border to think of Scotland and the future of the UK before casting their vote on the EU.
First Minister Nicola Sturgeon has warned that another independence referendum could be trigged if Scotland was taken out of the EU against its will.
The same BMG poll also found that British voters were more worried about keeping Scotland in the Union than about a Brexit.
The results suggest that fears over the break-up of the Union could help keep the UK in the EU.
But the pro-EU campaigner suffers a setback today (WED) as researchers at the Migration Observatory at Oxford University warn Mr Cameron's flagship “emergency brake” on in-work benefits is unlikely to lead to any large fall in migration.
The Prime Minister secured the deal on welfare during fraught negotiations with other EU leaders in February.
Under the agreement, benefits will be restricted for new migrant workers for up to four years.
The report found the changes would be concentrated on a small proportion of newly arrived families.
For these reason, the researchers found, it was “unlikely” the brake would “lead to a large reduction in EU migration to the UK”.
Meanwhile, a new report by peers also released today (WED) raises the prospect of a second EU referendum.
The Lords European Union committee says there is nothing to stop the UK changing its mind if the terms of its exit deal are too unfavourable.
UKIP’s leader in the Lords, Lord Pearson of Rannoch, accused the report of being “partial nonsense”.
Ukip also claimed that staying in the EU would mean voters would have to wave goodbye to the NHS.
The party claimed that claims leaked documents show the proposed Transatlantic Trade and Investment Partnership (TTIP) will see the health service m privatised or dismantled.
Former Chancellor Alistair Darling has also warned that Brexit could cost the UK £250bn in lost trade.
It has also emerged that former American President Bill Clinton could intervene in the EU vote – like he did in 2014’s independence referendum - at the behest of his old friend Tony Blair.
Meanwhile, Former Foreign Secretary Sir Malcolm Rifkind challenged champions of Brexit to admit that leaving the EU would “marginalise” the UK, as he repeated his claim that there would be “dancing in the Kremlin” if Britain decided to leave.
MPs will today (WED) grill David Cameron over the UK’s membership of the EU.
The Chancellor has also been called to appear before MPs on the Commons Treasury Select Committee over claims Brexit could cost families thousands of pounds.
MPs have said that they want to carefully examine the Treasury’s "trenchant assertions".
The EU will tomorrow (Wednesday) take a step towards ending visa requirements for Turkish citizens.
The move is part of a deal designed to encourage Turkey to stop migrants entering the EU.
Leave campaigner Iain Duncan Smith branded the plans "alarming" and warned that the move would undermine security.