Armed Conflict • International Law
Law of Armed Conflict/IHL
1,741 Articles

Do Moral Judgments of War Support the Principle of Combatant Equality?: What Empirical Studies Tells Us
Are our moral intuitions about war in line with the crucial principle of combatant equality in the law of armed conflict? A moral psychology study begins mapping out and explaining…

The Yemen Project: Open Source Investigations and the Law of War
An unprecedented open source investigation aids the legal analysis of allegedly unlawful strikes by the Saudi-led coalition, but also has limits in reaching legal conclusions under…

Yemen Group of Experts’ Report Highlights Need to Halt Arms Sales
The UN Group of Experts’ report on Yemen shows that the U.S (and its allies) have helped create a humanitarian disaster in Yemen and have a duty to help end it, starting by immediately…

Saudi Oil Attacks Raise Questions About Nature of Yemen Conflict and Legitimate Military Targets
Do the attacks against Saudi oil facilities change the current classification of the conflict in Yemen? Are oil facilities targetable under IHL?

Guidelines on Investigating Violations of International Humanitarian Law
New Guidelines from the ICRC and Geneva Academy on when and how armed forces must investigate possible law of war violations.

The UN Report and Indiscriminate Attacks in Yemen
The UN Group makes a number of important legal findings, a leading international humanitarian law expert discusses.

The UN Yemen Report and Siege Warfare
Following the UN Human Rights Council report on Yemen, experts provide detailed analysis of how international humanitarian law rules on starvation, proportionality, and precautions…

Introduction to Just Security Series on UN Yemen Report
We're launching a series by legal experts discussing a major UN report on the Yemen War.

National Security at the United Nations This Week
A UN report finds potential complicity in Yemen war crimes by the US, France, & Britain; the IAEA reports further crumbling of the Iran Nuclear Deal; the UN warns of a risk of…

Part III: The Muddy Middle: A New Framework for Use of Force
We may not have wanted to land in this muddy middle between peace and war that we currently find ourselves in, but this is the reality of the current moment in the counterterrorism…

Proportionality and 150 Iranian Lives: Do They “Count”?
General (ret.) Ken Watkin explains why assessing civilian casualties in the jus ad bellum proportionality analysis is the right approach.

Part II: The Muddy Middle: Challenges of Applying Use of Force Policy Guidance in Practice
In part two of a three-part series, the authors explain how new operational models for both why and how the U.S. used force outside areas of active hostilities created tensions…