>> A celebration of the Queen's 90th birthday with members of Parliament Tuesday quickly overshadowed by the Prime Minister. Caught on camera talking corruption, David Cameron calling Afghanistan and Nigeria fantastically corrupt in a chat with the Queen and the Archbishop of Canterbury about the British anti-corruption summit on Thursday.
>> We've had a very successful Capital meeting this morning. We talked about our anti-corruption summit. Nigerians, they've actually got some leaders, it's a fantastically corrupt country coming to Britain. No, Nigeria and Afghanistan are possibly the two most corrupt countries in the world.>> But this particular place is actually not corrupt.
>> He's trying.>> He's trying very hard.>> They're all coming at their own expense.>> Yes.>>
It's not clear if the PM knew his mic was on and being recorded. Cameron's Downing Street office said both Afghanistan and Nigeria have acknowledged they face a challenge to tackle corruption.
The PM spokesman added that the countries have been invited to the summit because they're leading the fight against graft.