Ten of the Scottish Tories’ 2017 intake are forecast to lose their seats in the first poll since the departure of Ruth Davidson

Scottish Tory MPs who were key to Theresa May’s Westminster majority would be all but wiped out amid another SNP landslide if there were an election, a poll for The Times suggests.

The Conservatives stand to lose ten of their 13 seats north of the border in a new vote, according to analysis of the YouGov survey by Sir John Curtice.

Following their 2015 success — when they returned a record 56 MPs — the SNP would be expected to secure 51 seats, 16 more than in 2017.

The poll results suggest the position of Alister Jack, the new Scottish secretary who holds a 5,600 majority, is at risk while David Mundell, his predecessor who was sacked by Boris Johnson, John Lamont and Andrew