The watchful volunteers have recruited an international force of thousands to help stem disinformation, writes Kim Sengupta.

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?

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.

Tom Prides on whether the petition to revoke article 50 has really been hacked by some Russian bots and non-Brit fraudsters, as Nigel Farage and other Brexiters have repeatedly claimed.

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

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

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.