Russia-Ukraine

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Smoke and fire rises from the Dormition Cathedral in the Orthodox complex of the Kyiv Pechersk Lavra following a Russian missile strike on the Ukrainian capital Kyiv on June 15, 2026, amid the Russian invasion in Ukraine.

The Law of Armed Conflict and the Attack on Kyiv’s Monastery of the Caves and Dormition Cathedral

The strike illustrates a grim pattern in Russia’s conduct of the war – the systematic destruction of Ukrainian religious and cultural sites.
Image of a globe focused on East Europe and parts of western Russia.

Ukrainian Drone Incursions into Baltic States, Russian Electronic Warfare Countermeasures, and International Law

Experts unpack the international law implications of recent incursions of Ukrainian drones into the airspace of Baltic countries due to Russian electronic warfare tactics.
A Lukoil gas station sign with a red and white logo, Cyrillic lettering, and fuel price display, seen through blurred metal railings against a blue sky.

Sanctions Towards Russia Are Not a Strategy: Toward a More Coherent Statecraft

Sanctions have become a weapon of lawfare: a contest over the rule of law, governance models and the integrity of global markets. But systemic corruption cannot be sanctioned.
Ukraine's President Volodymyr Zelensky and European council secretary general Alain Berset (R) speak after the signing of an agreement for establishing a special tribunal to try top officials responsible for Russia's invasion of Ukraine at the Council of Europe in Strasbourg, eastern France, on June 25, 2025. (Photo by FREDERICK FLORIN/AFP via Getty Images)

In Absentia Trials and the Special Tribunal for the Crime of Aggression Against Ukraine

When defendants can be informed of their trial and have a right to a retrial in person, in absentia trials can be legitimate and necessary for victims and society at large.
A silhouetted person stands inside a damaged building, looking out through a large broken opening at a high-rise building across the street.

The International Compensation Mechanism for Ukraine: Update on the Convention Establishing an International Claims Commission and the Register of Damage for Ukraine

Together, they signal a shift from largely symbolic institution-building to a functional system capable of handling the full scope and scale of Ukraine’s reparations claims.
​Wide-angle view of a large circular conference room, under a multicolored checkerboard ceiling and matching multicolored carpet. Ukrainian President Volodymyr Zelenskyy appears on a screen speaking to EU leaders, while leaders sit around the circular conference table. Hungarian Prime Minister Viktor Orbán leans over a table, watching the roundtable from the back of the room.

The Unraveling of the North Atlantic Bargain

As U.S. security commitments to Europe grow conditional, it is clear the old relationship is not recoverable. The question is what Europeans build in its place, and how fast.
Women, men, and children, some dressed in colorful traditional Ukrainian embroidered shirts, some draped in or flying blue and yellow Ukrainian flags and one draped in an Australian flag, hold stuffed animals as they stand next to each other facing the camera, against a backdrop with a big, leafy tree in the back left and a cityscape of mid-rise buildings in the background.

Ukrainian Children Under Russian Control: Why Tracing, Return, Reintegration, and Justice Must Be Addressed Together

Return alone cannot be the only framework through which the international community and Ukrainian authorities address the issue of Ukrainian children under Russian control.
A Ukrainian man wearing fatigues carries a drone through what looks like a hallway in a residential apartment.

Iranian Officials’ Legal Liability in Russia’s Drone War on Ukraine

A forthcoming report argues that liability extends to Iranian officials involved in providing industrial, financial, and logistical support for Russia's atrocities in Ukraine.
A man warms himself in front of a public fire pit at night.

Russia’s Big War at Four: Ukraine Keeps Fighting and Keeps Talking

Ukrainians have withstood the Russian onslaught and, thanks to Europe, have managed despite the reduction of U.S. military assistance. Trump has more he could offer.
People react as they gather close to a mass grave in the town of Bucha, just northwest of the Ukrainian capital Kyiv on April 3, 2022.

Russia’s Eliminationist Rhetoric Against Ukraine: A Collection

Updating a tracker of persistent rhetoric by Russian leaders and their associates -- more than 500 examples -- that may constitute evidence of genocidal intent.
Local residents leave the city of Kostyantynivka alongside volunteers, walking beneath protective nets installed above the road to shield against Russian FPV drone attacks as evacuations continue along this frontline corridor in the Donetsk region on February 13, 2026 in Kostyantynivka frontline, Ukraine. (Photo by Kostiantyn Liberov/Libkos/Getty Images)

What Negotiators Miss in Ukraine Talks: Territorial Concessions Would Abandon Real People – and Fail to Bring Peace

U.S.-led talks float Ukrainian territorial concessions to Russia, but such deals would abandon real communities and entrench an unjust, fragile peace.
EU and Ukrainian flags fly in the wind in front of the Berlaymont, the EU Commission headquarter for the 4th year anniversary of the full scale invasion of Ukraine by Russia, on February 23, 2025 in Brussels, Belgium. (Photo by Thierry Monasse/Getty Images)

Toward A Just and Lawful Peace in Ukraine: Part II

As the war in Ukraine continues to unfold, international lawyers must keep insisting that law be injected into diplomacy and accountability into power politics.
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