There are new warnings over the dangers of young children using social media as it's revealed most of their online friends are not real.

Research from Internet Matters shows the average child has 100 followers on services like Facebook and Twitter - but more than half are strangers.

It also found 50 percent of children would 'always' accept friend requests.

Grania Long, CEO of children's charity the ISPCC says young people are rarely bullied by strangers online: