With problems in Parliament trying to get consensus on a withdrawal agreement, it seemed the main political parties were edging away from the centre ground. Did this leave a vacuum for a new movement?

In 2019, more or less simultaneously, a new party started and a new campaign launched, both supporting a so-called People's Vote on any Brexit deal. The Independent Group - or Change UK, as they came to be known - was not without challenges. Neither was the People's Vote campaign. Eventually, the friction came to be personal. Mark Mardell speaks to the people involved about where it all went wrong.

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