MOSCOW, September 7. /TASS/. Russian president’s press secretary Dmitry Peskov said on Monday it is too early provide any comment on the United States’ request to Greece to close its air space for Russian aircraft making humanitarian flights to Syria.

"There was a corresponding statement by our Greek partners who said they were considering this request," the Kremlin spokesman said. "It is too early to speak about that until we have any reaction."

Earlier on Monday, the Greek Foreign Ministry confirmed reports that the country had received a request from the United States to close its air space for Russian aircraft making flights to Syria with humanitarian cargoes.