The Child Exploitation and Online Protection Centre is dedicated to eradicating the sexual abuse of children. They are part of UK policing and very much about tracking and bringing offenders to account. More about the work they do here.
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From Celts to Romans, Popes to pagans, the night of October 31 hasn't always been called Halloween, but it has been marked for centuries.
It was always going to be a very mild one, with a warm pocket of air travelling over the UK for Halloween - but it's now the warmest ever!
Your pictures of carved pumpkins this Halloween