Russian computer programmer Pyotr Levashov has been arrested in Spain
Pyotr Levashov was arrested in Barcelona at the end of last week on a US computer crimes warrant, according to a spokeswoman for Spain's National Court.
His arrest set cybersecurity circles abuzz after Russian broadcaster RT raised the possibility it was linked to the US presidential election.
The agency quoted his wife Maria Levashova as saying armed police stormed into their apartment in Barcelona, keeping her and her friend locked in a room for two hours while they quizzed Levashov.
US authorities are investigating links between Russian hackers and Donald Trump's election win
She said when she spoke to her husband on the phone from the police station, he told her he was told he had created a computer virus that was "linked to Trump's election win”.
Ms Levashova did not elaborate on the comments and the exact nature of the allegations against Mr Levashov remain unclear.
Barack Obama's administration formally blamed Russia for attempting to influence the 2016 election by hacking the Democratic National Committee's emails to help Donald Trump's campaign.
Barack Obama's administration formally blamed Russia for attempting to influence the 2016 election
US Congress is also examining links between Russia and Mr Trump during the election campaign.
Russian officials, including president Vladimir Putin, have repeatedly denied Russia tried to influence the election.
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The Russian embassy in Madrid confirmed Levashov’s arrest but declined to give details.
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There has been no comment from Spanish police or the interior ministry.
Peter Carr, a spokesman for the criminal division of the US justice department, said: “The US case remains under seal, so we have no information to provide at this time.”