Smudgy chins, weird hands, dodgy numbers: seven signs

Look out for surplus fingers, compare mannerisms with real recordings and apply good old-fashioned common sense and scepticism, experts advise

In a crucial election year for the world, with the UK, US and France among the countries going to the polls, disinformation is swirling around social media.

There is much concern about deepfakes, or artificial intelligence-generated images or audio of leading political figures designed to mislead voters, and whether they will affect results.