Manning has been in jail since early March for refusing to testify before a grand jury about Assange and WikiLeaks.
Extradition cases between the UK and the US can take years to sort out.
Manning vowed to fight the subpoena. The subject of what prosecutors want to question her about isn't public, but her spokesperson said the government wanted to ask her about documents she leaked to WikiLeaks in 2010.
The whistleblower was informed she may not be given a visa to visit Australia this weekend due to her criminal conviction.
Manning said she "crashed" the event. One attendee who knows Manning told BuzzFeed News that "while she was not there protesting she was there in an effort to bridge gaps between left and right."
Manning declared in federal filings her intention to run as a Democrat in the 2018 election.
Manning says she will challenge the decision.
The decision comes after current and former CIA directors withdrew from Harvard over the manning appointment. Harvard said Manning would still be invited to speak at the John F. Kennedy, Jr. Forum.
Die Whistlerblowerin hat sich von Annie Leibowitz für das Vogue-Magazin fotografieren lassen.
Manning shared the photo that inspired her Twitter handle and what came next was truly beautiful.
«Ça m'a beaucoup touchée d'avoir inspiré quelqu'un que je trouve moi-même très inspirant», dit à BuzzFeed News July Schulz. La photo de cette Française, prise lors d'une manifestation pour les droits des personnes trans, a inspiré Chelsea Manning avant de faire son coming out trans.
The ACLU shared a photo of Chelsea Manning on a float at the New York City parade.
Prosecutors said WikiLeaks' disclosures about Iraq and Afghanistan posed a major threat to US national security. But it turns out the classified document they cited — newly obtained by BuzzFeed News — said almost the exact opposite.
Manning, who announced she was transgender while in prison, leaked more than 700,000 military intelligence reports and documents to WikiLeaks in 2010 and later had her sentence commuted by then-president Barack Obama.
Republicans on the Hill — and at least one Democrat — were outraged after President Obama commuted Chelsea Manning's sentence on Tuesday.
Manning released explosive records through WikiLeaks in 2010 and was sentenced to 35 years in prison. She will now be released on May 17.
A federal judge in Washington ruled that the FBI and the Justice Department can keep documents about Manning and the WikiLeaks investigation secret.
After receiving the official sentence in writing, the former soldier will have 15 days to appeal it.
"Hearing Chelsea’s voice after learning that she had attempted to take her life last week was incredibly emotional," Nancy Hollander, an attorney for Manning, said Monday.
Prison officials at the U.S. Disciplinary Barracks at Fort Leavenworth have blocked packets of mail with stories about prisoner issues, including an article by BuzzFeed News, and a book by artist Molly Crabapple from reaching Chelsea Manning.
Manning wrote about transitioning while jailed in a military prison in her first Medium post.
Manning has broken her silence on her life as a transgender woman in a men's military prison in an interview with Cosmopolitan.
USA Today obtained a memo detailing the decision, a first for the Army.
"Such clear disregard of well-established medical protocols constitutes cruel and unusual punishment," Manning's attorneys say in statement.
Officials are working on a plan to move the national security leaker from a military prison to a civilian prison to accommodate her request for hormone therapy.
The failure to effectively and respectfully cover stories about transgender people has consequences. "A state of emergency."
“It’s not terribly clear to me that my actions were explicitly done for ‘peace,'" she wrote in a statement after discovering a peace award was accepted on her behalf.
"I’m hoping that Chelsea will see it, or know word of it, and that will just be some light and some comfort in her darkness, you know?"
The actor, who plays WikiLeaks founder Julian Assange in The Fifth Estate, spoke to BuzzFeed about the controversial case.
Army Private Chelsea Manning has filed a formal application requesting a presidential pardon.
"Bradley Manning wants to spend the rest of his life as a lady," said Fox News correspondent Gretchen Carlson, before Aerosmith's 1987 hit "Dude (Looks Like A Lady)" played over a photograph of Chelsea Manning.
White House press secretary Jay Carney said he wouldn't speculate, responding to the question from The Washington Blade's Chris Johnson.
"Chelsea Manning is a United States Army soldier..."
The Army private sentenced to 35 years in prison spoke through an attorney on Thursday's Today show. "I am Chelsea Manning," she said.
After Chelsea Manning was sentenced to 35 years in prison this morning, her defense attorney read her statements. This letter will be sent to the president.