Russian national Sergei Mironov was detained in Armenia's capital Yerevan on the US authorities' request on suspicion of money laundering and illegal technology transfer, his lawyer said Saturday.

MOSCOW (Sputnik) — Karen Nersesyan said that at the moment Mironov was in detention and the decision on his extradition to the United States could be expected on Monday.

"As of now, we don't know exactly what he is accused of, but when he was detained they said he was wanted by the US authorities for laundering $50,000 and certain technology transfer," the lawyer told RIA Novosti.

Nersesyan added that Mironov had no access to military technology and had visited the United States only once, in 2013.

The lawyer said that Russia's Interpol office had no information about Mironov being on a wanted list.

He also thanked the Russian consul in Armenia for visiting Mironov shortly after the detention to make sure the Russian national had everything he needed.

Earlier in the day, the Russian Life broadcaster reported that Mironov, 30, was detained in Yerevan airport on the request of the United States which suspects him of arms traffic. The Russian Embassy in Armenia said earlier it is checking reports on detention of Russian citizen Sergei Mironov in Yerevan airport on the US request.