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Fifty years since John Profumo 'sleaze' resignation

5 June 2013 Last updated at 09:27 BST

It is 50 years since Britain's Secretary of State for War, John Profumo, resigned following an affair with Christine Keeler - who was allegedly also having an affair with a Russian spy.

The 1963 scandal, which is the subject of an exhibition at the National Portrait Gallery in London, laid bare the corruption at the heart of the British establishment.

Nick Higham reports.