David Cameron has said he will be held accountable properly in his new role, despite not facing regular questioning from MPs in the Commons.
Former prime minister Lord Cameron, who lives in Dean near Witney, has been appointed foreign secretary while his predecessor James Cleverly has taken over from Suella Braverman as home secretary, with Jeremy Hunt remaining as chancellor.
No 10 confirmed Lord Cameron, the former Witney MP and a graduate of Brasenose College in Oxford, would also be made a peer.
Three of the current office-holders – Mr Sunak, Mr Hunt and Lord Cameron – graduated with first class honours in philosophy, politics and economics (PPE) from the University of Oxford.
“I will be held to account in the House of Lords where I have to account for myself and the government,” he said during his first interview as foreign secretary.
He said Foreign Office minister Andrew Mitchell and others will be held to account in the lower chamber.
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Lord Cameron said: “Of course, this government, my role in it, all of that will be accountable to the electorate at the general election when it comes but in the meantime I want to do everything to strengthen our alliances, to work with our friends, to build those vital partnerships, to make sure our country is secure and prosperous in a difficult and dangerous world.”
Lord Cameron was asked about the Greensill controversy by reporters in his first interview following his appointment on Monday afternoon.
Two years ago, BBC Panorama revealed internal documents suggesting Lord Cameron made about $10m (£8.2m) jetting around the world to promote a highly controversial finance business, Greensill Capita.
But the former prime minister ducked questions about this from reporters.
He said: "The most important thing I’ve done since leaving office is act as president of Alzheimer’s Research and to raise millions of pounds and help our scientists get closer to a diagnosis and a cure, something that affects almost a million people in our country.
“Today I resign from all of those things, from all of the businesses I have been helping.
"The other things I’ve been doing, including being a professor at NYU, that all stops – I now have one job, as foreign secretary of the United Kingdom and I am very proud to work with our prime minister to try and make sure our country be as secure and as prosperous as possible.”
Pressed again, Lord Cameron said: “All those things were dealt with by the Treasury Select Committee, and other inquiries at the time.
“As far as I am concerned, that is all dealt with and in the past. I now have one job, as Britain’s Foreign Secretary.”
Lord Cameron was MP for Witney and West Oxfordshire from 2001 to 2016.
News of his appointment was met with approval by his successor Robert Courts who said Lord Cameron "brings immense experience and ability to the critical role of foreign secretary".
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