Violation of Article 4 of Protocol No. 4 - Prohibition of collective expulsion of aliens-{general} (Article 4 of Protocol No. 4 - Prohibition of collective expulsion of aliens);Violation of Article 13+P4-4 - Right to an effective remedy (Article 13 - Effective remedy) (Article 4 of Protocol No. 4 - Prohibition of collective expulsion of aliens-{general};Prohibition of collective expulsion of aliens)
Same source, country, and finding where possible.