International recognition of Abkhazia and South Ossetia that Russia's recognition of the independence of Abkhazia and South Ossetia is "irreversible" but called upon "NATO countries to withdraw and review their decision concerning Kosovo's independence" and subsequently "act on the premise that this is the new political reality." He warned, moreover, that any NATO attack on Russia-supported regions would "mean a declaration of war on Russia." In the UN Security Council, the United States was heavily critical of Russian support of the secessionist governments, accusing the government of violating Georgia's territorial integrity. In response, Vitaly Churkin, the Permanent Representative of Russia to the UN, attacked the U.S. claim
Russia–South Ossetia relations would become part of Russia within "several years", but later retracted the comments in an interview with Interfax and stated that he may have been misunderstood, and that South Ossetia would not give up its independence. Russian Minister of Foreign Affairs Sergey Lavrov, whilst in Warsaw, denied that South Ossetia would join the Russian Federation. Lavrov's position was also mirrored in August 2009 by Dmitry Medoyev, who stated that "South Ossetia will be building an independent state". On 17 September 2008, Russia and South Ossetia signed a treaty of Friendship, Cooperation and Mutual Assistance at the Kremlin in Moscow. According