Police investigating alleged slavery at a farm in Wales have appealed for the writer of an anonymous letter to come forward.
Gwent Police's Detective Superintendent Paul Griffiths said the force had received a number of calls from individuals who could be potential victims or important witnesses.
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The mum wrote the emotional letter after her eight-year-old with Down's syndrome was the only child in his class not invited to a party.
Time for Project Let's-Make-the-Best-of-it.