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Book Symposium “Identifying Non-International Armed Conflict”: Conclusion

First, I would like to extend my sincere thanks to Gloria Gaggioli, Chiara Redaelli, Jelena Pejic, Katharine Fortin, René Provost, and Martha Bradley for taking the time to read the book and engage with its arguments. I also want to express my sincere thanks to the editorial teams at both Articles of War and Armed Groups and International Law for organising and facilitating this symposium, it’s been …

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Book Symposium “Identifying Non-International Armed Conflict”: When NIACs end: Support for Derejko’s functional approach 

The Tadic formulation for the existence of a non-international armed conflict is two-fold. First, the notion of organisation, which requires the military wing of a non-state actor, which is party to a conflict, to meet the demand to display a minimum degree of organisation. Second, the notion of intensity, which asserts that the severity of the fighting between parties to the conflict must equate to protracted armed violence. Both …

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Book Symposium “Identifying Non-International Armed Conflict”: The IHL Dramatis Personae: Black & White or Shades of Grey? 

Nathan Derejko’s new book ‘Identifying Non-International Armed Conflict: International Law and Practice’ (CUP, 2026) brings a strong new voice to  legal debates relating to the NIAC framework, notably the nature of the Parties, the threshold required for IHL to apply to a specific situation and related discussions on the ‘aggregation’ of armed violence and the geographical and …

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Book Symposium “Identifying Non-International Armed Conflict”: The Concept of Non-International Armed Conflict – Towards a singular definition of NIACs?*

* This blog has been edited with the assistance of ChatGPT. Conflict classification is one of the most perilous and consequential exercises under international humanitarian law (IHL); and it is probably even more so with respect to non-international armed conflicts (NIACs), which are – as we know – the most prevalent form of armed conflict …

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Book Symposium “Identifying Non-International Armed Conflict”: Introduction: From Armed Violence to Armed Conflict

Having spent the better part of a decade researching, writing, thinking, and teaching non-international armed conflict (NIAC), I am delighted to share the culmination of that work: my recent Cambridge University Press monograph, Identifying Non-International Armed Conflict: International Law and Practice. To mark the publication, Articles of War and Armed Groups and International Law are co-hosting a book symposium featuring …

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Recently published: How Armed Groups Made International Humanitarian Law

Boyd van Dijk (Sciences Po) has recently published “Norm Making from the Margins: Armed Groups, the Algerian War, and South-South Legal Politics” in International Organization. The article is available in open access. In the article, he asks where the model of the IHL-invoking armed group has come from. Focusing on the Front de Libération Nationale’s legal activism during the …

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Recently Published: The International Law of Non-International Armed Conflict

The International Law of Non-International Armed Conflict is a new book by one of our co-editors, Ezequiel Heffes, and Nathalie Weizmann, published by Oxford University Press. As most contemporary armed conflicts are non-international – involving organized non-State armed groups either fighting between themselves or against State armed forces – the book provides a comprehensive and practical …

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