The Court further notes that the move in international law towards adopting alternative measures to the administrative detention of migrants appears to concern not only children, but also their parents.
violation of the applicants’ rights under Article 5 § 4 of the Convention on account of the failure of both the Istanbul Magistrates’ Court and the Constitutional Court to conduct a review of the lawfulness of their detention in an effective and speedy manner. The Court notes, once again, that the review mechanism set out under Law no. 6458 appears to be wholly ineffective in a case, such as the present one, where the detention of a minor in the immigration context is not based on an administrative decision.
The Court found in particular that the applicants had been deprived of their liberty for their first month in the centre, until 21 April 2016 when it became a semi-open centre.
The Court was nevertheless of the view that the one-month period of detention, whose aim had been to guarantee the possibility of removing the applicants under the EU-Turkey Declaration, was not arbitrary and could not be regarded as “unlawful” within the meaning of Article 5 § 1 (f). However, the applicants had not been appropriately informed about the reasons for their arrest or the remedies available in order to challenge that detention.
