Hunting the Internet Bullies
Online bullying is rapidly growing in frequency and intensity. A new breed of self-styled "trolls" are stalking social networking websites, aiming their vicious attacks at victims who range from television celebrities to grieving families via tribute sites.
Declan Lawn meets X Factor star Cher Lloyd, who describes how cyber attacks are ruining her life, and highlights a new survey revealing that one in 13 young people say they face persistent online bullying.
Panorama tracks down some of the bullies and asks what more could be done to stop them?
If you, or anyone you know, is affected by the issues raised in this programme, help is available.
The BBC's Share Take Care website offer a host of resources, tips, guides and advice for both parents and young people dealing with issues of cyberbullying and general internet safety.
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