In the Hamdi case, the Supreme Court considered the relationship between the current Authorization for Use of Military Force and the Non-Detention Act, which prohibits the detention of a U.S. citizen, except where authorized by an Act of Congress.

FORBES: Following NDAA Debate, Sen. Levin Incorrectly Asserts That AUMF Authorizes Detention of U.S. Citizens

The magazine, which is the journal of the Centre for Crime and Justice Studies at King's College London, said there were a further 14, 600 held under the Mental Health Act, 2, 300 in immigrant detention centres and about 470 in child prisons and secure children's homes.

BBC: NEWS | UK | Over 108,000 in detention in UK

Last week, Switzerland's justice minister publicly apologised to the victims of administrative detention, saying the apology should be seen as an act of "moral reparation".

BBC: The trauma of Switzerland's morality detentions

It calls on the government to urgently review Code C of the Act, the code of practice for the detention, treatment and questioning of persons by police officers.

BBC: Becky Godden's mother starts petition to change law