A bystander then joked to laughter

Only North Korea and Somalia, jointly ranked at number 167, are perceived to be more corrupt. It was not clear whether Mr Cameron realised he was being filmed and recorded at the event at Buckingham Palace. Afghanistan is at number 166, second-from-bottom, in campaign group Transparency International’s latest Corruption Perceptions Index, an annual ranking of countries. “We had a very successful Cabinet meeting this morning, talking about our anti-corruption summit,” Mr Cameron said when the queen approached. A bystander then joked to laughter: “They are coming at their own expense one assumes ” “Everything has to be open,” Mr Cameron said. “We have got the Nigerians — actually we have got some leaders of some fantastically corrupt countries coming to Britain. Mr Cameron will host an international anti-corruption summit on Thursday.” Mr Cameron went on: “Nigeria and Afghanistan — possibly two of the most corrupt countries in the world.In a pooled video feed made available to the ITN broadcaster.

Mr Cameron was shown talking with the queen about the summit. Everything has to be in front of the press,” he added. “There are no sort of closed-door sessions..” Nigeria’s President Muhammadu Buhari and Afghan President Ashraf Ghani, both of whom are due to attend the summit, acknowledge corruption in their countries and have pledged to clean it up. Nigeria is at number 136 in the index.UK PM says Nigeria, Afghanistan ‘most corrupt nations’ Britain's Queen Elizabeth, second left, speaks with Prime Minister David Cameron.”

The queen did not respond to Mr Cameron’s comment but the Archbishop of Canterbury Justin Welby said: “But this particular President is actually not corrupt. -AP China PVC injection molding machine Manufacturers UK PM says Nigeria, Afghanistan ‘most corrupt nations’British Prime Minister David Cameron was caught on camera telling Queen Elizabeth II on Tuesday that leaders of some “fantastically corrupt” countries, including Nigeria and Afghanistan, were due to attend his anti-corruption summit