The arrest of a Russian man last weekend who is accused of hacking into U.S. retailers' computer systems to steal credit card data sparked claims from Russian authorities Tuesday that the U.S. violated a bilateral treaty by "kidnapping" the man.

The Secret Service arrested Roman Valerevich Seleznev, 30, on Saturday, according to the U.S. Department of Homeland Security. He was apprehended in an airport in the Maldives, the Russian Foreign Ministry said, according to Reuters.

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