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

Are Yemeni Forces and the Saudi-UAE Coalition Ready to Protect Civilians in Port Assault?
Yemeni forces backed by the United Arab Emirates (UAE) and Saudi Arabia have advanced to within 20 km (12.4 miles) outside of Hodeidah, a port city of 700,000 under control of…

OLC’s Formal (and Remarkably Broad) Defense of the April Syria Strikes
This morning, the Justice Department's Office of Legal Counsel posted a formal, 22-page opinion, concluding that the April 13 airstrikes on Syria were lawful.

Self-Defense Against Self-Defense, In Syria And Beyond
For many years, the United States and some of its allies have taken the view that one state (say, one of them) may use armed force on the territory of another state (say, Pakistan…

The Technicolor Zone of Cyberspace – Part I
Two leading experts on cyber law analyze the U.K. Attorney General's major speech on international law and cyber, delivered at Chatham House last month.

Understanding the Fog of Law: Enduring Ambiguities in International Security Law
The international law governing national security and war is plagued by several critical ambiguities. When can states lawfully resort to armed force? What are the constraints on…

Can Humanitarian Assistance Be an Obstacle to Peace? The Example of South Sudan
When President Donald Trump took office, there was considerable uncertainty as to how his administration would address the ongoing crisis in South Sudan, a complex foreign policy…

Analysis of Israel’s Supreme Court Decision Allowing Lethal Force in Gaza
On May 25th 2018, the Israeli Supreme Court rejected, in a unanimous decision of a three judge panel, a petition by a group of NGOs which challenged the legality of the Rules of…

With New U.S. Arms Sale Pending–What Happened to Saudi Assurances on Civilian Casualties in Yemen?
To get an arms sale past Congress last year, Saudi Arabia promised $750 million to prevent civilian casualties in Yemen. The civilian death toll has since risen.

United Kingdom Att’y General’s Speech on International Law and Cyber: Key Highlights
On Wednesday, the United Kingdom’s Attorney General, Jeremy Wright, QC MP, gave a speech at Chatham House on the role of international law in cyberspace. It is the first official…

View from Socotra Island: Yemen War and Threats to the UN Charter
A small Yemeni island was recently at the center of a little-noticed standoff between three states—Yemen, the United Arab Emirates (UAE), and Saudi Arabia. The dispute reveals…

The Unknown Cost of America’s Counterterrorism Efforts
A Stimson Center working group released a study last week on the costs of America’s counterterrorism efforts, and it found about what you’d expect: nearly 17 years after 9/11,…

Gaza and Israel: What Do Calls for “Restraint” Really Mean?
International reactions to the violence that erupted this week on Gaza’s border with Israel have taken shape around a somewhat familiar refrain – a call for restraint. …