Monica Elfriede Witt is charged with revealing classified information to Tehran, including details of secret operations and agents' personal and professional lives.
Abdul Hamid S, who was working as a linguistic and cultural adviser with the German army, "is believed to have passed insights to an Iranian intelligence agency," prosecutors say.
Gonen Segev, energy minister from 1995 to 1996, made contact with Iranian officials at the Iranian embassy in Nigeria in 2012 and he also visited Iran twice for meetings with his handlers.
A freeze on their funds and assets will take effect on Wednesday once their names are published in the EU's official journal.
The move came after Danish intelligence agency said the Iranian intelligence service "was planning an attack in Denmark" against three Iranians suspected of belonging to the Arab Struggle Movement for the Liberation of Ahvaz.
Several gun repair and manufacturing shops have sprung up in Azaz city, and one particular weapon is in demand—the AK-47, locally referred to as the "Bin Laden".
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