Specialist NHS doctors can prescribe unapproved products if they think the patient will benefit, but they have to ask NHS England to pay for individual cases and are often turned down.

Private specialists can prescribe products unapproved by the NHS, but this often comes at a high cost for patients.

That makes it an unapproved food additive and is considered unsafe.

The Diocese said the investigation found other instances of mismanagement beyond the music video that appalled some, including unapproved financial transfers.

“The airport manager advised him that, while he could not stop him, his departure would be unapproved and at his own risk,” the report states.