Nicola Sturgeon revealed during a debate on STV that Kezia Dugdale had told her privately that the Brexit vote had made her consider her approach to independence

Almost a third of Scots are more likely to back the break-up of Britain if Theresa May returns to Downing Street, according to a poll.

The YouGov poll for The Times found 31 per cent of voters would be more in favour of backing independence if Mrs May led a re-elected Tory government after tomorrow’s election.

This includes 15 per cent of No voters from the 2014 referendum, when 55 per cent rejected independence. If these switched to Yes they would give Nicola Sturgeon the votes she needs to split from the UK in a future referendum.

The poll found Labour voters were the most likely to move from the unionist side. That was echoed last night by a revelation that Kezia Dugdale wanted Labour