Exclusive: Party leader says outcome of ‘knife-edge’ vote in Keir Starmer’s former seat will not affect his position

Zack Polanski has said his authority as leader of the Green party of England and Wales does not depend on winning next week’s Holborn and St Pancras byelection, amid suggestions the party’s popularity may have peaked.

Polanski, who is trying to take Keir Starmer’s former seat from Labour, described the contest as “probably 50/50 right now” and “really on a knife edge”.

Exclusive: Martha Dalton worked closely with Burnham’s team on byelection that secured his return to parliament

A recent lobbyist for the controversial $450bn US tech company Palantir played a senior role in helping Andy Burnham become prime minister, it has emerged.

Martha Dalton, whose company Lodestone worked for Palantir in 2024 and 2025, campaigned for Burnham in the Makerfield byelection that secured his return to parliament. She worked closely with his team on strategic communications and rebuttals, and was among supporters who clapped him into Downing Street in July.