17 hours ago Marianna Spring Social media investigations correspondent Getty Images Protests flared in Epsom after misinformation circulated on social media Epsom is usually a fairly quiet suburb in Surrey, but over the last couple of weeks it's been at the centre of violent disorder. Protesters took to the streets, many demanding answers from Surrey Police about the suspects in an alleged gang rape and some suggesting asylum seekers or immigrants were involved. Vandalism took hold and arrests were made, with protesters even entering a local hotel they mistakenly believed was housing migrants. Following a "thorough investigation", Surrey Police believes the woman who made the report of rape "sustained an accidental head injury" following a night out and made "a confused report". She had given officers permission to share that information - and the force says it takes every report of sexual offending seriously. How did this happen, and could it happen again?…