Conservative Party
But former Olympian James Cracknell said voters should still back the Tories on July 4.
And the final result could be even worse for the Conservatives.
Voters already think the PM is weak and the controversy has only reinforced that opinion.
The Conservatives' head of data is the latest senior official to be dragged into the scandal.
The Conservatives have fallen even further behind Labour with less than two weeks until polling day.
Fears politics is failing to engage those aged under 35.
Labour, the Lib Dems and Reform UK all raised more cash in the second week of the campaign.
HuffPost UK joined the prime minister for a few hours as he tries to grab any Conservative votes he can.
The prime minister repeatedly dodged questions on how deep the scandal goes.
Chris Skidmore accused Rishi Sunak of "siding with climate deniers".