United Kingdom child protection organizations have warned the country’s social service organizations to watch out for couples returning from Nigeria with “miracle babies” as they could be a cover for trafficking.

The child protection organizations, Cafcass, ADCS and Children and Families Across Borders, CFAB, social services also issued guidance to all social workers in the UK, telling them how to recognize signs of staged fake births.

There were reports in the UK of a Nigerian couple which claimed fertility treatment combined with their strong Christian faith had resulted in them conceiving in Nigeria, but tests showed the child, who was later taken into care, was not theirs.

Read more: Vanguard