One of the key groups of voters that has been discussed since the election result is those who left the Labour party and instead supported Boris Johnson’s Conservatives.

Whilst these voters are not the whole picture, as Labour also lost voters on its other flank to the Lib Dems and the Greens, the party will focusing on how they can win them back.

Part of this is because they are conveniently located in the kind of seats Labour will need to win. But on top of this, because most seats are Labour/Conservative marginal each voter from this group that Labour can win back effectively counts twice (bringing the Tory vote down by one while at the same time boosting the Labour tally by one).

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