Far-right activist claimed he helped with Boris Johnson’s resignation speech as foreign secretary.

A web page linking Leave.EU to Cambridge Analytica has been leaked online after being deleted in the wake of the Facebook scandal.

A shadowy global operation involving big data, billionaire friends of Trump and the disparate forces of the Leave campaign influenced the result of the EU referendum. As Britain heads to the polls again, is our electoral process still fit for purpose?

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.