The mother of a boy who was sexually abused by another child has said his life will "never be the same again". She was speaking as BBC News NI can reveal that 231 young people have been referred to health trusts in Northern Ireland after exhibiting harmful sexualised behaviours in just under two years. These behaviours are classified as anything which is developmentally inappropriate sexual behaviour displayed by children which is harmful or abusive. It includes abuse of other children, sometimes called peer-on-peer abuse. The NSPCC has reported increased numbers of children contacting them about this kind of abuse in recent years. Marcella Leonard, an independent social worker, said that sex education in Northern Ireland is "not good enough" and politicians need to separate it from religion. The Department of Education (DE) said "significant investment" has been provided to support the development of resources in relationships and sex education (RSE) available to schools.…