Assange v Swedish Prosecution Authority British to review the case, the Working Group on Arbitrary Detention formally declined to do so in late November, saying that there was not enough new information provided to warrant such a review. Assange and his supporters have expressed concerns that upon his return to Sweden, Assange may be extradited to the United States to face charges related to his professional work, since Wikileaks has been under investigation in the US since at least 2010. On 13 January 2017, Wikileaks announced that Assange would agree to extradition to the United States if the Obama administration granted clemency to Chelsea Manning
UK–US extradition treaty of 2003 US citizens have been extradited from the US to the UK under this treaty for crimes committed while the person was in the US. The US-UK Extradition Treaty 2003 was first sent to the US Senate for approval in April 2004. But another component of the controversy noted above was a result of the delay of the US in ratifying it into US law. Baroness Scotland, UK Minister of State for the Criminal Justice System at the Home Office, travelled to the US on Thursday 13 July 2006 to address this problem. This move was prompted by political criticism of