When people post deliberately extreme comments from the anonymity of cyberspace, the effects can be devastating - and sometimes fatal.

A cell phone ban has helped reduce bullying and cut the number of student fights at a Wanganui high school.

Justice Minister Judith Collins responds to the Law Commission report on cyber-bullying.

Kiwi comedian Rhys Darby spoke to nzherald.co.nz about the effects of bullying and how to seek help from family and friends, and perhaps use some humour to help yourself.