Two Azerbaijani nationals who were arrested in early May in Iran have been held on the charges of espionage-related activities, Press TV cited an anonymous official source from Iranian province of Azerbaijan as saying.
Two Azerbaijani citizens, Farid Huseyn and Shahriyar Hajizade, are missing in Iran since May 2.
Azerbaijan's Foreign Ministry has sent five notes to Iran's Foreign Ministry demanding clarification of the situation with the missing fellow citizens.
Last week, Iranian Foreign Ministry confirmed the arrest of two Azerbaijani citizens.
According to the Iranian Foreign Ministry's response to Azerbaijan's note, two Azerbaijani citizens are accused of attempting to commit a crime.