"We were concerned about the resumption of direct flights between Russia and Georgia. This may mean that companies, Georgian airports may be under the threat of sanctions, "TASS quoted the head of the press service of the US State Department, Matthew Miller, as saying.

He added that now "is not the time to increase cooperation with Russia."

Russian President Vladimir Putin abolished the visa regime for Georgian citizens from May 15.

Moscow explained that the decisions taken are in line with Russia's principled approach to consistently facilitating the conditions of communication and contacts between Russians and Georgians, despite the lack of diplomatic relations.

The Georgian airline Georgian Airways received permission to fly to Russia from May 20.