It teetered. It splintered. And then the fence Jeremy Corbyn has been sitting on collapsed beneath the weight of contradictions.

The Labour Brexit policy of “constructive ambiguity” proved unambiguously destructive, slumping to just 14 per cent of the vote, hammered by the Brexit Party in Leave-backing areas and the Lib Dems in Remainia.

Labour has been pushed into fifth in Scotland and finished third in Wales for the first time in its history, behind both the Brexit Party and Plaid Cymru. More locally, Labour came fifth in Leave-heavy Bolsover, where the Brexit Party ran riot. But then Labour also lost in Islington, where Mr Corbyn is an MP, with the resurgent Lib Dems coming out on top. Not a great 70th birthday present for the