Asked in Cameron's family money is held in a tax haven fund, Downing Street said "it's a private matter". This Is London prepares an international anti-corruption summit in May.

Panama Papers: What's been done in recent years to combat tax evasion?

Asked in Cameron's family money is held in a tax haven fund, Downing Street said "it's a private matter". This Is London prepares an international anti-corruption summit in May.