The Independent Foster Care Services said it provided a warm home for the girl and said it was not their choice for her to leave.

BBC: Girl, 16, who died of overdose was let down says MP

Reuniting with children who've been in foster care can be contingent upon the mother finding income and a stable home, but some ex-offenders aren't eligible for public housing in New York.

CNN: Nun helps moms in prison move past their mistakes

The child had previously been placed in foster care, soon after her second birthday, following domestic violence in her home.

BBC: NEWS | UK | England | London | Cruelty missed through 'optimism'

As a result Wales has more than 3, 500 children in care but less than 2, 000 foster families able to provide a home and comfort.

BBC: Cash crisis has left Wales short of 700 foster families

During that period the trust sought a care order from the Family Proceedings Court and decided to move him to a new foster home.

BBC: Northern Ireland