Britain's Prime Minister and Conservative Party leader Rishi Sunak poses for pictures with staff at a distribution centre in Ilkeston in the East Midlands on May 23, 2024 as part of a campaign event ahead of a general election on July 4. (Photo by HENRY NICHOLLS / POOL / AFP)

Britain's Prime Minister and Conservative Party leader Rishi Sunak shakes hands with Global Energy head, Roy Macgregor as he arrives at the Global Energy Group facility at the Port of Nigg in north-east Scotland on May 23, 2024, during a campaign event in the build-up to the UK general election on July 4. (Photo by HENRY NICHOLLS / POOL / AFP)

Britain's Prime Minister and Conservative Party leader Rishi Sunak (C) speaks with brewery workers at Vale of Glamorgan Brewery in Barry, south Wales on May 23, 2024 during a campaign event ahead of a general election on July 4. (Photo by HENRY NICHOLLS / POOL / AFP)

Britain's Prime Minister and Conservative Party leader Rishi Sunak (C) arrives at the Global Energy Group facility at the Port of Nigg in north-east Scotland on May 23, 2024, during a campaign event in the build-up to the UK general election on July 4. (Photo by HENRY NICHOLLS / POOL / AFP)

Britain's Prime Minister and Conservative Party leader Rishi Sunak disembarks from his plane at Inverness Airport in north-east Scotland on May 23, 2024, ahead of a campaign event in the build-up to the UK general election on July 4. (Photo by HENRY NICHOLLS / POOL / AFP)

Britain's Prime Minister and Conservative Party leader Rishi Sunak (C) and Vale of Glamorgan MP Alun Cairns (L) are shown the brewing process during a visit to the Vale of Glamorgan Brewery in Barry, south Wales on May 23, 2024, part of a campaign event ahead of a general election on July 4. (Photo by HENRY NICHOLLS / POOL / AFP)

Britain's Prime Minister and Conservative Party leader Rishi Sunak speaks with brewery workers at Vale of Glamorgan Brewery in Barry, south Wales on May 23, 2024 during a campaign event ahead of a general election on July 4. (Photo by HENRY NICHOLLS / POOL / AFP)

Britain's Prime Minister and Conservative Party leader Rishi Sunak (C) arrives with Britain's Wales Secretary David TC Davies (L) and Vale of Glamorgan MP Alun Cairns (R) during a visit to the Vale of Glamorgan Brewery in Barry, south Wales on May 23, 2024 as part of a campaign event ahead of a general election on July 4. (Photo by HENRY NICHOLLS / POOL / AFP)

Reform UK MP Lee Anderson (L) sits with Reform UK member Ann Widdecombe (R) at a press conference in London on May 23, 2024 as part of the party's campaign ahead of a general election on July 4. (Photo by JUSTIN TALLIS / AFP)

Britain's Prime Minister and Conservative Party leader Rishi Sunak (2R) is greeted by the owner of Vale of Glamorgan Brewery Craig Edmunds (L) as he arrives for a tour in Barry, south Wales on May 23, 2024 as part of a campaign event ahead of a general election on July 4. (Photo by HENRY NICHOLLS / POOL / AFP)

Reform UK leader Richard Tice attends a press conference in London on May 23, 2024 as part of the party's campaign ahead of a general election on July 4. (Photo by JUSTIN TALLIS / AFP)

Britain's Prime Minister and Conservative Party leader Rishi Sunak (L) chats with Leader of the Scottish Conservative and Unionists, Douglas Ross (R) as he arrives at the Global Energy Group facility at the Port of Nigg in north-east Scotland on May 23, 2024, during a campaign event in the build-up to the UK general election on July 4. (Photo by HENRY NICHOLLS / POOL / AFP)

Britain's Prime Minister and Conservative Party leader Rishi Sunak (C) chats with Leader of the Scottish Conservative and Unionists, Douglas Ross (L) over a hot drink at the Global Energy Group facility at the Port of Nigg in north-east Scotland on May 23, 2024, during a campaign event in the build-up to the UK general election on July 4. (Photo by HENRY NICHOLLS / POOL / AFP)

Britain's Prime Minister and Conservative Party leader Rishi Sunak (C) and Vale of Glamorgan MP Alun Cairns (L) are shown a bottling machine during a visit to the Vale of Glamorgan Brewery in Barry, south Wales on May 23, 2024 as part of a campaign event ahead of a general election on July 4. (Photo by HENRY NICHOLLS / POOL / AFP)

Britain's Prime Minister and Conservative Party leader Rishi Sunak (C) poses for a photograph with brewery workers at Vale of Glamorgan Brewery in Barry, south Wales on May 23, 2024 during a campaign event ahead of a general election on July 4. (Photo by HENRY NICHOLLS / POOL / AFP)

Reform UK leader Richard Tice poses during a press conference on May 23, 2024 as part of the party's campaign ahead of a general election on July 4. (Photo by JUSTIN TALLIS / AFP)

Britain's Prime Minister and Conservative Party leader Rishi Sunak (C) speaks with members of staff at the Global Energy Group facility at the Port of Nigg in north-east Scotland on May 23, 2024, during a campaign event in the build-up to the UK general election on July 4. (Photo by HENRY NICHOLLS / POOL / AFP)

Reform UK leader Richard Tice gestures during a press conference in London on May 23, 2024 as part of the party's campaign ahead of a general election on July 4. (Photo by JUSTIN TALLIS / AFP)

Britain's Prime Minister and Conservative Party leader Rishi Sunak enjoys a hot drink and a Tunnock's during a visit to the Global Energy Group facility at the Port of Nigg in north-east Scotland on May 23, 2024, during a campaign event in the build-up to the UK general election on July 4. (Photo by HENRY NICHOLLS / POOL / AFP)