Iran has arrested another Iranian-American, it confirmed on Sunday, adding to a number of dual nationals the country has detained in recent years, reports The Wall Street Journal.

The Iranian-American was arrested in Gorgan, a city 250 miles northeast of Tehran, Iranian judiciary spokesman Gholam Hossein Mohseni Ejehi said during a press conference broadcast by state media.

No further details about the man's identity were provided, but reports appeared last week that Robin Shahini, an Iranian-American man from San Diego, had been detained in Gorgan.