'We are as much spectators in this as you are,' security source tells The Independent, as government blocks publication of documents until after election.

In August 2018, Spanish authorities uncovered a plot by anti-Brexit campaigners to assassinate leading Brexiteer and now favourite to be Britain’s next prime minister, Boris Johnson. Or did they?

George Osborne also waded into the row after his newspaper, the Evening Standard, ran a story accusing the Tories of misleading the public.

Reminders of how Brexit Party MEPs voted in crackdowns on Russian propaganda have been making the rounds on social media as the war in Ukraine intensifies.

Foreign Twitter accounts have recently tried to influence the debate around Brexit, with pro-Leave tweets receiving the most support, researchers say.

Number 10 appeared to forget that the UK had left the EU in a tweet gaffe in which it suggested Britain was still a member of the bloc.

A research collaboration from academics at Swansea University and the University of California, Berkeley suggests that information automated software agents or ‘bots’ were used to spread either ‘leave’ or ‘remain’ social media stories during and after the Brexit referendum which drove the two sides of the debate further apart.

Less than two weeks before pivotal elections for the European Parliament, a constellation of websites and social media accounts linked to Russia or far-right groups is spreading disinformation, encouraging discord and amplifying distrust in the centrist parties that have governed for decades.

Twitter accounts based in Russia posted 45,000 tweets about Brexit within the space of 48 hours during last year's referendum on EU membership, an investigation commissioned by The Times has found.

UK political system vulnerable to anti-democratic meddling via social media and ‘possibly illicit’ campaign funding, report says.

An army of Russian trolls sent thousands of messages with the hashtag #ReasonsToLeaveEU on the day of Britain's referendum on membership of the EU, according to new data released by Twitter.

More than 150,000 Russian-language Twitter accounts posted tens of thousands of messages in English urging Britain to leave the European Union in the days before last year’s referendum on the issue, ...

The leader of the right-wing Tory pressure group the European Research Group (ERG) has stepped down.

Rabble-rousing broadcaster talkRadio has sparked hundreds of reactions after sharing a poll on the EU referendum – and getting an answer it didn’t anticipate.

Dominic Raab defends rebranding account during debate and adds: ‘no one gives a toss’.

Twitter is to ban all political advertising on its site claiming the influence of such a message should be "earned, not bought".

Twitter bots may have altered the outcome of two of the world’s most consequential elections in recent years, according to an economic study.

Hate-filled platform has no restrictions on antisemitic, misogynist or racist content. / Leading figures on the far right, including Ukip candidates in the upcoming European elections, are encouraging their followers to join a new hate-filled social media platform. The network, called Gab, has no restrictions on antisemitic, misogynist or racist content, and has been used to promote terrorism.

People and Power investigates the curious questions about the referendum. Was the original vote to leave the EU tainted?

MPs’ frustrations grow as new evidence in America reopens the issue of Kremlin influence.