At least 12 people were detained over their alleged ties to the Gulen movement on Friday.
Media reported that 2 female suspects detained in operation are accused of tutoring students for military academy entrance exams.
Turkish government accuses Gulenists for the July 15, 2016 failed coup while the group denies involvement. Nearly 200,000 people are being investigated and some 90,000 have been put in pre-trial detention over Gulen links so far.
