Former deputy prime minister Sir Oliver Dowden has become the most senior ally of Rishi Sunak to be interviewed in the official investigation into betting on the date of the general election, Sky News understands.
He follows Mr Sunak’s former parliamentary aide Craig Williams and former Downing Street chief of staff Liam Booth-Smith in being questioned by the Gambling Commission, the statutory body that regulates betting in the UK.
Mr Sunak has not yet been interviewed, Sky News understands, though “numerous people” including Conservative Party officials have been.
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A source close to Sir Oliver said the former senior cabinet minister is not and was never under investigation himself.
It is understood Sir Oliver spoke to the police to assist with their inquiries as part of their investigation into others. This is said to have taken place in early summertime and the officers involved were part of the Gambling Commission.
The inquiry – launched in June – is set to continue for another three to six months.
News of Sir Oliver’s interview, along with the seizing of “hundreds of documents” from Tory HQ by the commission, has emerged on the day the Conservative Party Conference opened in Birmingham.
Ironically, the Gambling Commission’s head office, on the fourth floor of Victoria Square House, Victoria Square, Birmingham, is just a half-mile, 10-minute walk from the ICC, where the Tory conference is taking place.
Sir Oliver was knighted and Mr Booth-Smith was awarded a peerage in the former prime minister’s dissolution honours, announced less than an hour before the polls closed on 4 July.
The commission is investigating whether bets were placed on a July election by people with inside knowledge – in breach of gambling rules – in the days leading up to Mr Sunak’s shock announcement of the election date on 22 May.
A source told Sky News: “The general election betting investigation is…
