David Blunkett has recognised the need for more such units, which allow good order to be maintained and educational standards to be upheld for pupils in mainstream schools who would otherwise have their education disrupted.As it is important that we listen to the views of those who are most directly involved in the areas that we are discussing, I conclude by quoting Nigel de Gruchy of the NAS/UWT. He said: "When serious anti-social behaviour occurs, it must be seen by other pupils to be met with a response.