Ministry of Intelligence agents arrested Aziz and Omid Abdollahzadeh, two brothers from Bukan, West Azerbaijan Province, in the city on 15 May.
The Kurdistan Human Rights Network (KHRN) has learned that security forces raided the workplace of Aziz Abdollahzadeh and arrested him without a warrant.
At around the same time, his brother Omid Abdollahzadeh was taken into custody after being summoned by telephone to the Ministry of Intelligence detention centre in Bukan.
There is currently no information about the whereabouts of the two men or the charges they may be facing.