"Nuclear option" in the box. Sources told Reuters they did not expect the EU to cut off Russia's access to Swift for now.

Sources told Reuters that Russia from the EU should not lose access to Swift, at least for now. The same source said the move should not be part of a package of additional EU sanctions this afternoon – it would be a "nuclear option".

""Urgency and consensus should be the top priority at the moment, "" said the source, adding that the decision could have implications for the European financial system.

"We know that blocking Russia from Swift is a 'nuclear option'," the same source added, adding that some European leaders still do not want to play this card.

The head of the Financial Stability Board warned over the weekend that the West should" think twice " before imposing tough sanctions on Russia - a form of financial dominance created by the G20.

The Financial Times quoted glassnutt as saying that Russia's ban on SWIFT, the " heart "of global payments," will seriously complicate payments – we must always think twice and be careful."About the consequences""

Blocking Russian companies and banks from accessing Swift (the global banking and communications community) is one of the possible obstacles adopted by the United States. Glasnoth, who is also a governor and a member of the board of Directors of the Dutch central bank, warned: ""Obviously this could lead to some fiscal changes, and I urge politicians to take these changes into account.