Smudgy chins, weird hands, dodgy numbers: seven signs you're watching a deepfake

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. They have not been a huge feature of the UK election so far, but there has been a steady supply of examples from around the world, including in the US where a presidential election looms. Here are the visual elements to look out for. In deepfake videos the area around the mouth can be the biggest giveaway.