Russian Deputy Foreign Minister Alexander Grushko said on Thursday that Moscow will take retaliatory measures if the European Union decides to proceed with seizing the assets of individuals and legal entities it has pledged, according to Russian state news agency TASS.

Mr Grusko insisted that Moscow meant to take “all necessary measures to protect its legitimate interests” if the EU decided to do so and went ahead.

He called the potential seizures “absolutely illegal” and added that several countries doubted whether and to what extent the move would be compatible with international rules.

In Brussels it was decided yesterday Wednesday to “create an ad hoc working group for the use of frozen and immobilized Russian resources in order to support the reconstruction of Ukraine”, announced the Swedish presidency of the European Council via Twitter.

On the same day, however, the Swiss Federal Council announced that a “working group” led by the Ministry of Justice “concluded that the confiscation of assets of Russian individuals would be contrary to the federal constitution and the (…) legal order.”