The United States has provided assurances requested by the High Court in London to pave the way for WikiLeaks' founder Julian Assange to be extradited from Britain, a spokesperson for his wife confirmed on Tuesday.

Julian Assange's bid to avoid extradition to America is dealt a blow, as lawyers for the United States provide the assurances about his treatment that a London court had demanded.

Death penalty not to be imposed, but WikiLeaks founder’s wife says he will not be afforded first amendment protections

A protester stands with a placard in support of Julian Assange during the demonstration. Supporters of Julian Assange gathered outside the Embassy of Ecuador in Knightsbridge on the fifth anniversary of his incarceration in Belmarsh Prison. (Vuk Valcic ...

Julian Assange's lawyers are on their final U.K. legal challenge to stop the WikiLeaks founder from being sent to the United States to face spying charges.

The United States has provided assurances requested by a UK court that could open the way for WikiLeaks founder to be extradited from Britain to face espionage and hacking charges in the US. The High Court in London ruled in March that Assange would be allowed to appeal against extradition to the US if the US government did not deliver diplomatic assurances over Assange’s rights under the US Constitution and his treatment in the US.

U.S. officials pledged not to pursue the death penalty against Julian Assange if he’s extradited from the UK to face charges related to his publication of documents highly embarrassing to the U.S. government,

U.S. officials say they will not pursue the death penalty against Julian Assange if he’s extradited from the UK to face charges related to his publication of documents highly embarrassing to the U.S.

The US issued assurances that Assange could rely on the First Amendment right to free speech and that there was no prospect of new charges which could see the death penalty being imposed.