Armed Conflict • International Law
Law of Armed Conflict/IHL
1,649 Articles
Would Arming Anti-Assad Rebels Trigger an “International Armed Conflict”—and War Crimes Prosecutions?
Earlier this week, Reuters reported that Gulf Arab States are considering arming militant groups in Syria to fend off Assad’s onslaught in Aleppo and elsewhere. There may be…

Triggers and Thresholds of Non-International Armed Conflict
When and where does the law of non-international armed conflict apply? Since most contemporary armed conflicts are fought between states and organized armed groups, or between…
Aiding and Abetting for Saudi War Crimes: Lessons from Holder v. Humanitarian Law Project
In 2010, human rights organizations argued in Holder v. Humanitarian Law Project that if we want to promote compliance with the law of armed conflict, we cannot punish advocacy…
Two U.S. Positions on the Duty to Ensure Respect for the Geneva Conventions
When should the U.S. government reverse a previous U.S. interpretation of a treaty? Should there be a presumption against doing so, and what process and substantive reasons should…
Just Security’s Questions for Clinton and Trump
Given the importance of tonight’s prime-time debate between US presidential candidates Hillary Clinton and Donald Trump, we’re again running our list of vital national…
Are the U.S. and U.K. parties to the Saudi-led armed conflict against the Houthis in Yemen?
A series of posts at Just Security have focused on the rules that apply to U.S. and U.K. support for the Saudi-led coalition’s military operations against the Houthi rebels…
Trump’s Calls to Pillage Iraqi Oil
In his appearance with Secretary Clinton at NBC’s Commander-in-Chief Forum earlier this month, Donald Trump called for actions that amount to a war crime. Addressing US policies…
The Updated First Geneva Convention Commentary, DOD’s Law of War Manual, and a More Perfect Law of War: Part III
This third post of a series on the ICRC’s Updated Commentary on the First Geneva Convention of 1949 offers some concluding observations and further comparisons with the recent…
Does the Int’l Criminal Court Have Jurisdiction over Alleged War Crimes by Saudi-Led Coalition in Yemen?
Does the International Criminal Court have jurisdiction over potential war crimes allegedly committed by the Saudi-led coalition in its battle against the Houthi rebels in Yemen?…
Weapon, Combatant, Child, Animal: They’re All Insufficient Analogies for Autonomous Weapon Systems
Autonomous weapon systems, that is, weapon systems capable of independently selecting and engaging targets, are usually portrayed in one of two ways. Either they are depicted as…

The Law of Aiding and Abetting (Alleged) War Crimes: How to Assess US and UK Support for Saudi Strikes in Yemen
US and UK support for Saudi-led military operations in Yemen have received significant attention recently due to reports of strikes that damaged or destroyed hospitals, schools,…

Explainer: What Mental State is Required to Commit a War Crime?
What exactly is the definition of war crimes under international law or, more precisely, what mental state is required to commit such an offence? The synopsis below provides an…