Violation of Article 3 - Prohibition of torture (Article 3 - Degrading treatment) (Substantive aspect);Violation of Article 5 - Right to liberty and security (Article 5-1 - Lawful arrest or detention;Article 5-1-c - Reasonable suspicion);Violation of Article 5 - Right to liberty and security (Article 5-4 - Review of lawfulness of detention);Violation of Article 18+5-1-c - Limitation on use of restrictions on rights (Article 18 - Restrictions for unauthorised purposes) (Article 5-1 - Lawful arrest or detention;Article 5-1-c - Reasonable suspicion;Article 5 - Right to liberty and security)
Same source, country, and finding where possible.