More than half of under-13s have an illegal Facebook account (after their parents helped them to sign up)

More than half of children aged 12 have a Facebook account despite age restrictions put in place by the social networking giant, a survey has revealed.

Facebook's guidelines state no-one under 13 is allowed a profile on the site, but a recent study found that 55 per cent of 12-year-olds are registered, often with the help of their parents.

A New York University survey found that of the 55 per cent who have Facebook pages, 76 per cent of them registered with the help of their parents.    Read Here