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Mothers and their children have been detained as supporters of Fethullah Gulen, a rival of the current Turkish leader Recep Erdogan.
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Turkey accuses Fethullah Gulen of orchestrating a failed coup attempt in July and wants him extradited so that he may be put on trial.
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Davud Hanci's family members are waiting to hear from Turkish prosecutors about what happens next.
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Family hasn't heard from him or his wife.
Canada has expressed sharp concerns over Turkey's imposition of a three-month state of emergency.