The EU has agreed to indefinitely freeze Russia’s sovereign assets in the bloc, as Moscow stepped up its threats to retaliate against Euroclear, the keeper of most of the Kremlin’s immobilised money.The decision by the EU to use emergency powers to immobilise €210bn (£185bn) of Russia’s central bank’s assets marks a significant step towards using the cash to aid Ukraine’s defence.European Council president António Costa confirmed on Friday that EU leaders had delivered on a commitment, made in October, to “keep Russian assets immobilised until Russia ends its war of aggression against Ukraine and compensates for the damage caused”.Before this...