"It is only the beginning of a new legal battle. We will appeal through the legal system," WikiLeaks said in a statement.
Assange has 14 days to appeal his extradition after it was approved by the U.K. home secretary on Friday.
Former U.K. Labour Party leader Jeremy Corbyn called Assange's extradition "a very dark for press freedom."
"Casey White will not see the light of day again," Lauderdale County Sheriff Rick Singleton said.
"The application has been refused by the Supreme Court and the reason given is that application did not raise an arguable point of law" a spokesperson said.
The three were part of a 2018 plot to kidnap five children from a Virginia Mennonite community and kill their parents, but it failed and they fled to Scotland.
One former Haitian official called the arrest of Mario Palacios "a step in the right direction."
Klyushin, who has ties to the Kremlin, was accompanied by U.S. police officers on a flight from Switzerland to the U.S.
The U.K's High Court has reversed a ruling that said the Wikileaks founder could not be sent to the U.S. due to mental health concerns.
The spy had attempted to steal proprietary information from GE Aviation, according to the Department of Justice.
Businessman Alex Saab, whom prosecutors accuse of aiding corruption in Maduro's inner circle, was extradited to Miami this month.
District Judge Vanessa Baraitser said WikiLeaks founder was likely to commit suicide if transferred to the U.S. and held under harsh conditions.
Russian ambassador to Afghanistan Dmitry Zhirnov told the Ekho Moskvy radio station that "under the terrorist Taliban it's better than under Ghani."
"I will never forgive the world for staying silent," 22-year-old data analyst Massouma Tajik said. "I didn't deserve this. No one deserves this."
A British judge ruled in January that it was feasible for Assange to commit suicide if placed in a U.S. prison.
The 75-year-old entrepreneur was found dead in a Spanish prison hours after his extradition to the U.S. was approved.
Blocking an extradition request, District Judge Vanessa Baraitser ruled the WikiLeaks founder would likely face "harsh" prison conditions if sent to the U.S. and was likely to take his own life.
Patrice Runner, 54, allegedly scammed about $180 million from American victims over 20 years by sending letters purporting to be from two famous French psychics.
Brian Higgins argued that his extradition paperwork is invalid because it was signed by Michigan Governor Gretchen Whitmer, who is the reported victim of the kidnapping plot.
The turtles, which are protected from excessive trading by an international treaty, were worth approximately $2,250,000 on the Asian black market.
Amnesty International have monitored trials from Guantanamo Bay to Bahrain, Ecuador to Turkey. For our observer to be denied access profoundly undermines open justice.
An extradition hearing for the 17-year-old, who faces five felony changes, is set for September 25.
The British foreign secretary said it was "necessary and proportionate" to stop this agreement ahead of the U.S., which is expected to take similar steps.
"We expect that Canada's judicial system will ultimately prove Ms. Meng's innocence," read a Wednesday statement from Huawei.
"The words that are coming out from the United States about WikiLeaks revelations were hollow 10 years ago, and they don't increase in legitimacy as years go by," Kristinn Hrafnsson said.
The Pink Floyd founder was scheduled to play a rally supporting the WikiLeaks founder to prevent his extradition to the U.S.
"If it was simply a case which was decided upon with the merit of the laws, I wouldn't worry at all, but this is a political case," WikiLeaks editor-in-chief Kristinn Hrafnsson said this week.
"If you are going to put somebody in jail for the rest of his life for publishing diplomatic cables...that is an attack on all journalists," one panelist said at a talk in London this week.
Donna Francis, 39, could not be jailed for longer than a year due to the terms of an extradition agreement between the U.S. and the U.K.