234_28 substantive_scope 28. In conclusion, the Court considers that the Moldovan authorities failed to take appropriate police measures in order to protect the applicants from violent attack and to effectively investigate the circumstances of the incident. Therefore, the Court considers that the State has failed to comply with their positive obligations under Article 11 of the Convention and that there has been a violation of that Article. II. ALLEGED VIOLATION OF ARTICLE 13 OF THE CONVENTION