The plan collapsed in December after Belgium objected. Almost all of the €210 billion in Russian assets frozen in Europe are held at Euroclear, a Brussels-based securities depository.

Around €200 billion in frozen Russian assets are held in Europe, mostly at Belgium-based Euroclear

"We believe now is the time to revert to the issue of how we can make further use of Russia's immobilized assets for the benefit of Ukraine," reads a draft letter seen by the Kyiv…