This archive report was first published on 14 December 2019.
On December 14, 2019, Labour suffered a crushing defeat in a region that was once a stronghold, with far-reaching consequences for the party.
The loss has highlighted a deepening rift between Labour's two main factions: the older, working-class wing and the urban, educated wing.
It appears that these two groups have irreconcilable differences, which may prove difficult to bridge.