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 Brexit deadline is hurtling towards us, and citizens across the UK still aren't allowed to know who bankrolls the politicians deciding the country's future.

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.