Does Green leader Zack Polanski face a leadership crisis after by-election defeat? | BBC Newscast

The Labour Party has won the Holborn and St Pancras by-election, with Sagal Abdi-Wali claiming the seat ahead of Green Party leader Zack Polanski. But what does the result mean for Polanski’s tenure as leader of the Greens? Adam Fleming and Chris Mason are joined by the pollste