With demand soaring this year for blockbuster concerts from the likes of Harry Styles , BTS and Ariana Grande , alongside major sporting fixtures including the World Cup, experts have issued a warning to event-goers as fraudsters are gearing up to target eager fans through social media platforms and messaging services. A worrying 53% of Britons confess to purchasing tickets via social media because they seemed inexpensive, only to later find out they were fraudulent, losing £258 on average.