Moscow, Dec. 20 -- Russia has announced that it will move to expand its lawsuit against the EU's bid to seize its frozen sovereign assets in the Belgium-based depository Euroclear to include European banks that also hold the funds, escalating a dispute that could deepen tensions with Brussels and unsettle financial markets.

The West, in its support to Ukraine and economic crackdown on Moscow had frozen around $300 billion worth of Russian central bank assets by imposing sanctions on all of Kremlin's foreign assets after the start of the Russia - Ukraine war in February, 2022.

Roughly half of Moscow's frozen financial assets are held at Euroclear. Brussels had 'loaning' the Russian funds to Ukraine to continue financing its war efforts, wi...