BANGKOK — Police have arrested a suspected Russian hacker on the Thai resort island of Phuket who was wanted by the FBI on allegations he was behind cyberattacks on U.S. and European government agencies, officials said.

The 35-year-old, who entered Thailand on Oct. 30 at Phuket Airport, was taken into custody earlier this month at his hotel and is now being held pending possible extradition, Thai police said.

The suspect's name was not released but Russian state-run news agency Russia Today identified him as Denis Obrezko, a native of Stavropol. It reported that his relatives confirmed the Nov. 6 arrest and were planning to fight his extradition to the United States.

In an e-mail Thursday, the U.S. Department of Justice refused to comment on the possible extradition or give other detail

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