The son of Labour's former deputy prime minister John Prescott has joined the Green Party, Sky News can reveal. David Prescott, whose father served alongside Sir Tony Blair for 10 years, joined the Greens in October 2025, a year after his dad died . Politics Hub: Follow the latest In a post on Facebook, Mr Prescott appears alongside Green activists in Gorton and Denton, which last week delivered the party's first by-election victory in its history . An accompanying caption read: "What. A. Day.