A woman arrested by police investigating the discovery of a boy's torso in London has been deported.
The 31-year-old woman, who lived in Glasgow and is believed to be an important witness, was deported to Nigeria two weeks ago.
But Scotland Yard has denied reports that detectives were angry at the Home Office for removing the woman while their investigations continue.
Police have also confirmed they have arrested a 29-year-old man in east London in connection with the murder of the boy officers have named Adam.
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There has been full co-operation between the immigration service and the investigating detectives.
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Scotland Yard spokesman
A Metropolitan Police spokesman said: "We understand that the woman has now been deported from the UK.
"However inquiries into Adam's murder continue.
"There is no rift between the immigration department and our detectives.
"There has been full co-operation between the service and the investigating detectives."
Adam's torso was found in the River Thames near Tower Bridge in September 2001.
He is believed to have been the victim of a voodoo-style killing or a "muti" murder, a ritual commonly associated with South Africa.
The police investigation has involved consultation with an expert on African ritual practices and a public appeal by former South African President Nelson Mandela
A 29-year-old man was arrested on 27 November in connection with the case and has been bailed until January 2003.
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