Armed Conflict
Just Security’s expert authors provide analysis on the legal, policy, and strategic dimensions of armed conflict, including the Russia-Ukraine war, the Israel-Hamas war, counterterrorism operations, conflicts in the Middle East and North Africa, and other armed conflicts across the globe, with a focus on international humanitarian law, war crimes and accountability, mitigating and remedying civilian harm, and the humanitarian impacts of warfare.
3,526 Articles
How Retaking Mosul Could Spell Disaster for Civilians
After over two grueling years living under the control of the Islamic State (ISIS), Mosul’s 1.2 million civilians may suffer yet more abuse when the government tries to retake…

Letter to the Editor from Professor Terry Gill on Classification of International Armed Conflict
Firstly, many thanks to Professor Adil Haque for reading my piece and for his thoughtful comments on it, both favorable and less so. Let me briefly reply to some of the points…

International Law and Proposed U.S. Responses to the D.N.C. Hack
In a short essay in Foreign Policy, retired Admiral James Stavridis addresses recent election season cyber operations against the Democratic National Party that the U.S. has attributed…
Letter to the Editor: Not So Fast on Calling it an “Armed Conflict” Between the US and Syria
In Tuesday’s provocative entry, “Is the United States Already in an ‘International Armed Conflict’ with Syria?,” Ryan Goodman states not only that the US is engaged…
The Law of Consent-Based Interventions
In a recent Just Security post, Adil Ahmad Haque asks what legal rules constrain the use of military force by an intervening state acting without the host state’s consent. Recognizing…
Between the Law of Force and the Law of Armed Conflict
Last week, I argued in favor of the ICRC’s position that if one state uses armed force in the territory of another state then an international armed conflict (IAC) arises between…
De Facto and De Jure Non-International Armed Conflicts: Is It Time to Topple Tadić?
When does violence between a state and non-state actor constitute an armed conflict and thus trigger the system of legal rules that apply in non-international armed conflict (NIAC)?…
If Burundi Leaves the Int’l Criminal Court, Can the Court Still Investigate Past Crimes There?
Last week, Burundi President Pierre Nkurunziza’s office announced that his country had begun taking steps to leave the International Criminal Court, of which it has been a member…
Why French President’s Threat of War Crimes Prosecutions against Russia, Syria Rings Hollow—But Needn’t
CNN is reporting that Russian President Vladimir Putin has canceled a visit to France next week following French President Francois Hollande’s statement that he would tell Putin…
Is the United States Already in an “International Armed Conflict” with Syria?
Many are debating whether the Obama administration should essentially go to war with Syria in an effort to halt the atrocities that Assad is committing in Aleppo and elsewhere…
Can States Legally Provide Targeting Assistance to War Criminals?
Last week, when I challenged an argument for US liability for war crimes in Yemen, I didn’t anticipate ending up on the other side of a (somewhat heated) Twitter debate with…
A Humanitarian Exception to the Principle of Non-Intervention?: Measures Below the Use of Armed Force to Save Aleppo
Do the atrocities in Aleppo and elsewhere in Syria permit the United States and other states to engage in intrusive actions against the Assad regime that would not ordinarily be…