The parents calling for a 'smartphone-free childhood'

The mother of murdered teenager Brianna Ghey is calling for a social media ban for under-16s and 'drastic action' from the government to protect children online.There is now a campaign group on WhatsApp called 'Parents united for a smartphone free childhood'. The Today programme brought together three parents to discuss their experiences tackling social media usage within their families.Listen to the Today programme on Radio 4 and BBC Sounds: 6-9am Monday-Friday; and 7-9am on Saturdays.