Explores how international law deals with detention conducted by non-State armed groups and the motivations behind these practices.

During armed conflict, non-State armed groups deprive individuals of their liberty. While this is not a new phenomenon, its pervasiveness is reflected by recent examples in Colombia, Libya, Syria, Ukraine, Mali and the Democratic Republic of the Congo. Yet, examining these activities goes beyond its mere acknowledgment. It involves questions concerning their legality and the non-State armed groups' motivations when depriving individuals of their liberty. Drawing on his personal experiences while working for various humanitarian organizations, Ezequiel Heffes aims at elucidating how international law can be used as a protective tool in relation to individuals placed in detention by non-State armed groups. Based on case studies of selected groups and a normative and doctrinal analysis, he proposes minimum humanitarian principles applicable to those situations. By addressing a contemporary issue that touches upon a number of legal regimes, this study makes a valuable contribution to the law applicable in armed conflict.

International law has long differentiated between international and non-international armed conflicts, traditionally regulating the former far more comprehensively than the latter. This is particularly stark in the case of detention, where the law of non-international armed conflict contains no rules on who may be detained, what processes must be provided to review their detention, and when they must be released. Given that non-international armed conflicts are now the most common form of conflict, this is especially worrying, and the consequences of this have been seen in the detention practices of states such as the US and UK in Iraq and Afghanistan. This book provides a comprehensive examination of the procedural rules that apply to detention in non-international armed conflict, with the focus on preventive security detention, or 'internment'. All relevant areas of international law, most notably international humanitarian law and international human rights law, are analysed in detail and the interaction between them explored. The book gives an original account of the relationship between the relevant rules of IHL and IHRL, which is firmly grounded in general international law scholarship, treating the issue as a matter of treaty interpretation. With that in mind, and with reference to State practice in specific non-international armed conflicts - including those in Sri Lanka, Colombia, Nepal, Afghanistan, and Iraq - it is demonstrated that the customary and treaty obligations of States under human rights law continue, absent derogation, to apply to detention in non-international armed conflicts. The practical operation of those rules is then explored in detail. The volume ends with a set of concrete proposals for developing the law in this area, in a manner that builds upon, rather than replaces, the existing obligations of States and non-State armed groups.

International law has long differentiated between international and non-international armed conflicts, traditionally regulating the former far more comprehensively than the latter. This is particularly stark in the case of detention, where the law of non-international armed conflict contains no rules on who may be detained, what processes must be provided to review their detention, and when they must be released. Given that non-international armed conflicts are now the most common form of conflict, this is especially worrying, and the consequences of this have been seen in the detention practices of states such as the US and UK in Iraq and Afghanistan. This book provides a comprehensive examination of the procedural rules that apply to detention in non-international armed conflict, with the focus on preventive security detention, or 'internment'. All relevant areas of international law, most notably international humanitarian law and international human rights law, are analysed in detail and the interaction between them explored. The book gives an original account of the relationship between the relevant rules of IHL and IHRL, which is firmly grounded in general international law scholarship, treating the issue as a matter of treaty interpretation. With that in mind, and with reference to State practice in specific non-international armed conflicts - including those in Sri Lanka, Colombia, Nepal, Afghanistan, and Iraq - it is demonstrated that the customary and treaty obligations of States under human rights law continue, absent derogation, to apply to detention in non-international armed conflicts. The practical operation of those rules is then explored in detail. The volume ends with a set of concrete proposals for developing the law in this area, in a manner that builds upon, rather than replaces, the existing obligations of States and non-State armed groups.

"It is generally accepted that detention in armed conflicts is an inevitable security measure that all warring parties use extensively in their daily operations. In such violent contexts, the legal protection afforded to detainees may be lifesaving. International humanitarian law (IHL) treaties recognise this reality in international armed conflicts by incorporating safeguards from unlawful and arbitrary detention in formulated legal grounds and procedural guarantees that the detaining powers are obliged to follow. The same guarantees are, however, not afforded to people affected by non-international armed conflicts under IHL. Instead, in the absence of a clearly defined international normative framework, security detention remains among the least regulated aspects of military behaviour in this type of armed conflict"--

This book is concerned with the international regulation of non-state armed groups. Specifically, it examines the possibility of subjecting armed groups to international human rights law obligations. First addressed is the means by which armed groups may be bound by international law. Of particular interest is the de facto control theory and the possibility that international law may be applied in the absence of direct treaty regulation. Application of this theory is dependent upon an armed group's establishment of an independent existence, as demonstrated by the displacement of state authority. This means that armed groups are treated as a vertical authority, thereby maintaining the established hierarchy of international regulation. At issue therefore is not a radical approach to the regulation of non-state actors, but rather a modification of the traditional means of application in response to the reality of the situation. The attribution of international human rights law obligations to armed groups is then addressed in light of potential ratione personae restrictions. International human rights law treaties are interpreted in light of the contemporary international context, on the basis that an international instrument has to be applied within the framework of the entire legal system prevailing at the time of interpretation. Armed groups' status as vertical authorities facilitates the vertical application of international human rights law in a manner consistent with both the object and purpose of the law and its foundation in human dignity. Finally, if international human rights law is to be applied to armed groups, its application must be effective in practice. A context-dependent division of responsibility between the territorial state and the armed group is proposed. The respect, protect, fulfil framework is adapted to facilitate the application of human rights obligations in a manner consistent with the control exerted by both the state and the armed group. ''Daragh Murray's book analyses the practical and theoretical difficulties associated with the topic of the international human rights obligations of non-state armed groups by considering the latest developments in this field and suggesting ways forward. His proposals are realistic and carefully argued; this book should be essential reading for anyone grappling with this subject.'' Andrew Clapham, Professor of International Law at the Graduate Institute of International and Development Studies.

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