Aliens — Expulsion — Collective expulsion — Arrests and detention — European Convention on Human Rights — Protocol No 4 — Prohibition of arbitrary expulsion — Arbitrary nature of collective expulsion and arrests which preceded it — Russian expulsion of Georgian nationals in 2006

Claims — Local remedies rule — Application in human rights cases — European Convention on Human Rights, Article 35(1) — Inter-State case — Allegation of administrative practice in violation of the Convention

Human rights — Aliens — Expulsion — Collective expulsion — Arrests and detention — Deprivation of liberty — Protection against arbitrary treatment — Conditions of detention — Whether amounting to inhuman and degrading treatment — Duty to provide a remedy — Discrimination — European Convention on Human Rights, Articles 3, 5, 13 and Article 4 of Protocol No 4 — Rule on exhaustion of domestic remedies — European Convention on Human Rights, Article 35(1) — Applicability in inter-State case — Administrative practice allegedly in violation of the Convention

International tribunals — European Court of Human Rights — Jurisdiction — Procedure — Decisions on admissibility — Joinder of issues to the merits