He wrote about this in an article for the "Observer" publication.
According to him, the US and EU countries are discussing sanctions to "contain" Russia.
“Hellish sanctions or not hellish - these epithets are not so important to me, as much as whether they work or not.
Will SWIFT be disabled or oil imports limited?
As of today, I cannot say, but I know that the Americans are discussing this.
I cannot say when and what supplies of new weapons to Ukraine will be, but I know that the Americans are also discussing this, ”he said.
Earlier it was reported that the United States in the coming days may hold consultations with members of the NATO alliance to discuss relations with Russia and Ukraine.
White House spokeswoman Jen Psaki said Washington and Kiev are in close contact.