Ukraine

In March 2026, the Colombian Parliament and then-President Petro agreed to accede to the International Convention against the Recruitment, Use, Financing and Training of Mercenaries (International Convention). With the deposit of the accession instruments, Colombia will end a multi-year gap in the Convention’s adoption and become its 39th State party. This move represents a significant…

At various points in recent months, proposals have been made to create a “free economic zone” in parts of Ukraine’s territory. These proposals seem to pursue at least two different purposes. First, they can be understood as an alternative solution to questions of a territorial nature, i.e. creating a territorial arrangement which involves neither full Ukrainian sovereignty over…

As Russia’s war against Ukraine rages, inflicting suffering on the country, its people, and economy, the Russian Central Bank (RCB) assets remain immobilised (i.e., frozen). Since December 2025, the EU, on whose territory a significant chunk of these assets has been immobilised, – €210 bn worth of assets out of approximately €290 bn  – modified the legal…

The paradoxical revival of security guarantees Russia’s full-scale invasion of Ukraine in 2022 has revived the concept of security guarantees. Their content and scope have been central to scholarly and political debates about Kyiv’s resistance to the Russian aggression (see here and here). Yet, this revival highlights a…