David Cameron celebrates with supporters at his constituency office in 2005 in Witney, Oxfordshire. Getty Images
Britain's new Foreign Secretary David Cameron, fourth right, attends his first Cabinet meeting at No 10 Downing Street. AP
Mr Cameron speaks with Prime Minister Rishi Sunak as he is appointed Foreign Secretary. Photo: No 10 Downing Street
Mr Cameron arrives at 10 Downing Street, seven years after he stepped down as prime minister. Reuters
Mr Cameron alongside fellow former Prime Ministers Gordon Brown, Tony Blair and John Major at the Remembrance Sunday ceremony at the Cenotaph in London. Getty Images
David Cameron at the National Service of Thanksgiving to Celebrate the Platinum Jubilee of Queen Elizabeth II at St Paul's Cathedral in London in 2022. Getty Images
Mr Cameron leaves his home in London to give evidence to a select committee on Greensill in 2021. Getty Images
David Cameron resigned as Prime Minister outside 10 Downing Street in June 2016. Getty Images
David Cameron on his campaign bus in 2016 on the final day of campaigning on whether Britain should remain or leave the EU. Getty Images
China's President Xi Jinping and David Cameron at a joint press conference in 10 Downing Street in 2015. Getty Images
David Cameron stands with then-London Mayor Boris Johnson in 2012. Getty Images
Vladimir Putin with David Cameron at the London 2012 Olympic Games. Getty Images
Mr Cameron is greeted by wellwishers during a visit to Tripoli in September 2011. Getty Images
Mr Cameron and US President Barack Obama walk in the gardens of Lancaster House in 2011. Getty Images
David Cameron and George Osborne at a signing ceremony at the Great Hall of the People in Beijing, in 2010. Getty Images
David Cameron with Deputy Prime Minister Nick Clegg on their first day of coalition government on May 2010 in London. Getty Images
Queen Elizabeth greets David Cameron at Buckingham Palace for an audience to invite him to be the next Prime Minister, in May 2010. Getty Images
Former Conservative Party leader David Cameron, Liberal Democrat leader Mr Clegg and then-Prime Minister Gordon Brown debate during the third and final leader's debate in Birmingham in 2010. Getty Images
David Cameron at the Great Brook Charity run in 2009 in Chadlington, Oxfordshire. Getty Images
David Cameron, George Osborne and William Hague walk to the International Conference Centre during the Conservative Party conference in 2008 in Birmingham. Getty Images
David Cameron waves to supporters with his wife Samantha after winning the leadership election in 2005 in London. Getty Images
David Cameron celebrates with supporters at his constituency office in 2005 in Witney, Oxfordshire. Getty Images
Britain's new Foreign Secretary David Cameron, fourth right, attends his first Cabinet meeting at No 10 Downing Street. AP
Mr Cameron speaks with Prime Minister Rishi Sunak as he is appointed Foreign Secretary. Photo: No 10 Downing Street
Mr Cameron arrives at 10 Downing Street, seven years after he stepped down as prime minister. Reuters
Mr Cameron alongside fellow former Prime Ministers Gordon Brown, Tony Blair and John Major at the Remembrance Sunday ceremony at the Cenotaph in London. Getty Images
David Cameron at the National Service of Thanksgiving to Celebrate the Platinum Jubilee of Queen Elizabeth II at St Paul's Cathedral in London in 2022. Getty Images
Mr Cameron leaves his home in London to give evidence to a select committee on Greensill in 2021. Getty Images
David Cameron resigned as Prime Minister outside 10 Downing Street in June 2016. Getty Images
David Cameron on his campaign bus in 2016 on the final day of campaigning on whether Britain should remain or leave the EU. Getty Images
China's President Xi Jinping and David Cameron at a joint press conference in 10 Downing Street in 2015. Getty Images
David Cameron stands with then-London Mayor Boris Johnson in 2012. Getty Images
Vladimir Putin with David Cameron at the London 2012 Olympic Games. Getty Images
Mr Cameron is greeted by wellwishers during a visit to Tripoli in September 2011. Getty Images
Mr Cameron and US President Barack Obama walk in the gardens of Lancaster House in 2011. Getty Images
David Cameron and George Osborne at a signing ceremony at the Great Hall of the People in Beijing, in 2010. Getty Images
David Cameron with Deputy Prime Minister Nick Clegg on their first day of coalition government on May 2010 in London. Getty Images
Queen Elizabeth greets David Cameron at Buckingham Palace for an audience to invite him to be the next Prime Minister, in May 2010. Getty Images
Former Conservative Party leader David Cameron, Liberal Democrat leader Mr Clegg and then-Prime Minister Gordon Brown debate during the third and final leader's debate in Birmingham in 2010. Getty Images
David Cameron at the Great Brook Charity run in 2009 in Chadlington, Oxfordshire. Getty Images
David Cameron, George Osborne and William Hague walk to the International Conference Centre during the Conservative Party conference in 2008 in Birmingham. Getty Images
David Cameron waves to supporters with his wife Samantha after winning the leadership election in 2005 in London. Getty Images
David Cameron celebrates with supporters at his constituency office in 2005 in Witney, Oxfordshire. Getty Images