Even if Keir Starmer wins a landslide majority next week, there is one former stronghold he might still lose. A Green insurgency is giving Thangam Debbonaire, the shadow culture secretary, the fight of her political life.

In this election the Greens are posing as a radical-left alternative to Starmer’s Labour. And Bristol Central, known as the ‘most left-wing constituency in Britain’, is where they believe they stand the best chance of winning a second seat in parliament.