As we head into a Brexit election, both Remain and Leave know that the result could be determined by which side’s vote is most united.

This morning the airwaves are hot with Nigel Farage rowing with Tory Brexiteers over splitting the Leave vote. The much bigger split, however, is on the Remain side.

In an effort to overcome this, a “Remain alliance” pact is due to launch this week, which will see Liberal Democrat, Green and Plaid Cymru candidates stand aside for each other in up to 60 seats.

Jo Swinson, the Lib Dem leader, confirmed the talks yesterday and the party is bullish that the arrangement could help to swing dozens of seats.

However, there is one glaring problem: Labour is not