kimberly helen al jazeera washington and dorsey jabari is following reaction from moscow. we've been hearing from the russian deputy foreign. i'm secretary who said that this is a destructive step. alexander goosgo has said that this is not really const conducive. and it just illustrates that the americans are trying to escalate the attention rather than trying to de escalate. we've also been hearing from an mp who is the deputy head of the foreign affairs committee here in duma. and he's been saying that said this is an absolutely destructive step and that it's an action that can be qualified as an attempt to derail the negotiations. that are ongoing about russia, security concerns. there is a sense that the united states is really trying to corner russia into giving in, on their demands that they've been making from the u. s. government and nato, about the expansion of nato, as well as a, going back to the 1997 level of membership. the russian president vladimir putin said that they want to see that level of members, really because the numbers keep increasing and that is