Jeremy Corbyn with Richard Leonard, the Scottish Labour leader. The party has ruled out a deal with the SNP

Labour would be wiped out in Scotland if Theresa May calls a general election, party insiders have warned.

The party holds seven seats in Scotland and it is unlikely that Mr Corbyn could win the keys to No 10 without them. However, insiders fear that all its Scottish seats would be lost if the prime minister called an election in an attempt to break the Brexit deadlock.

“Scotland is a massive problem for the party. We could be wiped out in Scotland. We could lose every single seat,” a source said.

A number of Labour MPs in Scottish constituencies are concerned that the party leadership believes the seats could be let go and that senior figures are preparing for a deal with the Scottish National