The lawyer for WikiLeaks founder Julian Assange charged Wednesday that his client is being persecuted by Swedish authorities whose accusations of sex crimes have prompted an Interpol alert for his arrest.

Swedish officials say they've issued the international alert because the 39-year-old Australian has not made himself available for a meeting with prosecutors. Assange's lawyer, Mark Stephens, said that Swedish officials have turned down repeated offers to speak to Assange. Stephens also complained that Assange has yet to receive formal notice of the allegations he faces _ which he described as a legal requirement under European law.

Stephens was scathing in his condemnation of Sweden's Director of Public Prosecution Marianne Ny, saying he'd never come across a prosecutor who has "such casual disregard" for her obligations.

"Given that Sweden is a civilized country, I am reluctantly forced to conclude that this is a persecution and not a prosecution," Stephens wrote in an e-mail.

Assange's secret-spilling group has leaked a series of confidential U.S. intelligence and diplomatic reports this year, including the disclosure earlier this week of hundreds of classified State Department cables. U.S. officials have reacted with outrage, with Secretary of State Hillary Rodham Clinton accusing WikiLeaks of acting illegally and promising "aggressive steps to hold responsible those who stole this information."

Stephens, who also represents The Associated Press, said his London law firm was investigating whether the Swedish case was linked to U.S. promises to prosecute those behind the leaks.

The former computer hacker's exact whereabouts remain unknown, although he has conducted online interviews with some media organizations.

Assange is wanted on suspicion of rape, sexual molestation and unlawful coercion. The exact nature of the allegations aren't completely clear _ formal charges have yet to be tabled _ but Sweden's rape laws are broader than in many other European countries.

Swedish prosecutors have disagreed about whether to label the most serious charge as rape.

Stephens has previously said that the allegations were made after Assange had consensual sex with two women who turned on him after becoming aware of each other's relationships.

Sweden's Supreme Court was reviewing Assange's appeal of the order to detain him. Court official Kerstin Norman, who is handling the case, said a decision is expected late Wednesday or Thursday.

Prosecutor Marianne Ny said that a European arrest warrant had been issued for Assange, but said that "for secrecy reasons, she cannot give more information concerning this matter at the moment."

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Rising reported from Stockholm.