State Responsibility
Ukraine Symposium – Release of Chinese POWs in Ukraine
In early April, reports emerged indicating that Ukraine had captured two Chinese nationals who were fighting alongside Russian forces in Ukraine. Additional reports shared by Ukraine's intelligence agencies identified nearly two hundred other Chinese nationals also...
Prosecuting Rwanda for Aggression in the DRC: Legal Feasibility and Challenges
Rwandan involvement in the Democratic Republic of the Congo (DRC) has been reported in two principal forms: first, direct intervention by Rwandan State forces across the border; and second, indirect support for the rebel group M23. UN experts and other observers have...
Can Israel Target Iran in Response to Houthi Attacks? Exploring the Threshold of “Substantial Involvement”
Following the Houthi missile attack on Ben Gurion Airport on Sunday, May 4, 2025, Israeli Prime Minister Benjamin Netanyahu vowed to retaliate not only against the Houthis, but also against their “patron,” Iran, declaring that such action would take place “at a time...
Analyzing State Support to Non-State Actors – Part II: Response Options and Conflict Classification
As non-State actors assume an increasingly prominent role in international affairs, State support to them as a strategic tool for advancing political objectives has become more common. Such support presents significant challenges to the clear-eyed application of...
Analyzing State Support to Non-State Actors – Part I: Primary Obligations and Attribution
Today, armed conflicts are frequently characterized by State support to non-State actors as a means of advancing the former’s strategic objectives. For instance, Iran continues to enable Hezbollah, Hamas, Houthi, and other militia operations throughout the Middle East...
The Conflict in Eastern DRC and the State Responsibility of Rwanda and Uganda
In late January 2025, a rebel alliance involving the militia group M23 seized control over the town of Goma, the provincial capital of North Kivu in the Democratic Republic of the Congo (DRC). Notwithstanding their declaration of a unilateral ceasefire, at the time of...
Countering Space-Based Weapons of Mass Destruction
Russia’s alleged effort to develop a space-based nuclear weapon threatens to violate the Outer Space Treaty of 1967, undermine international peace and stability, and hold at risk the peaceful use of space for all nations. Other emerging threats, such as China’s...
The Baltic Sea Cable-Cuts and Ship Interdiction: The C-Lion1 Incident
According to widely held Russian perceptions, Russia is at war with NATO. In September 2024, Vladimir Putin stated that lifting restrictions on Ukraine’s use of long-range NATO missiles to attack Russia “will mean that NATO countries—the United States and European...
Article 9 and the Attribution of Armed Groups’ Attacks to the Territorial State
The ongoing conflicts between Israel, Hamas, and Hezbollah continue to raise complex questions of international law. Some of these involve issues of State responsibility, requiring an assessment of whether the conduct of the relevant armed groups can be attributed to...
Attacking a Pipeline: Legal Issues for Consideration
Nord Stream 1 and Nord Stream 2 are pipelines constructed by a Russian State-controlled company called Gazprom to transport 110 billion cubic metres of natural gas per year from the Russian Federation under the Baltic Sea to Germany. Gazprom has a 51 percent...
EU Support to Ukraine through Windfall Profits: Reparative Value, International Law, and Future Pathways
Over two years into the Russian Federation’s full-scale invasion of Ukraine, the fate of Russian assets frozen by Western sanctions is followed almost as closely as battlefield developments. Considering the figures at play (assets worth an estimated $300 billion),...
Reparations in Colombia: Redressing Civilian Harm in the Midst of Armed Conflict
Commentators often point to Colombia as a success story in terms of confronting the consequences of armed conflict through its extensive engagement with transitional justice efforts to secure peace and to prevent repetition. Yet despite the peace agreement in 2016...
