New details are emerging about how the shadowy data firm Cambridge Analytica worked to manipulate voters across the globe, from the 2016 election in the United States to the Brexit campaign in Britain and elections in over 60 other countries, including Malaysia, Kenya and Brazil.

The EU referendum was won based on a corrupt campaign, but the courts can't void the result because the referendum only advisory, according to the barrister who took the government to court.

Sanni claims that a donation of £625,000 was made by Vote Leave to an independent referendum campaign organisation called BeLeave.

A Brexit campaigner has told Channel 4 News that Vote Leave cheated in the 2016 referendum by over-spending.