Knives and firearms are being sold openly in Gloucestershire via social media.Moderators and users of so-called 'selling sites' have called for change as they face a struggle to control ever-increasing levels of the activity on their Gloucester-based Facebook pages.The sites, which can be set up by any user, work like classified advertisements but are not officially monitored – leaving it to volunteers to watch over a daily stream of posts.One buying and selling site was reported to...
