Whenever we get a call and someone is reported missing, we would normally dispatch a police officer, irrespective of the circumstances of the case. So you see that's a huge demand on police resources.
What we're asking for now is that the care homes act as responsible parents, do the initial work that's required in terms of trying to find out where the missing individual is, and then if they have concerns to ring the police.
There is an element about reducing bureaucracy, but I am convinced that the change will enable us to focus resources to protect those children that we need to protect.
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Mr Kim has made two recent visits to China.
The study looked at the development of 422 children over the course of eight years.
The president said they will come into force if China refuses to change its practices.