The official delegation of the Republic of South Ossetia headed by the President Anatoliy Bibilov arrived in Donetsk on May 10 to participate in festivities dedicated to the 3rd anniversary of the proclamation of the Donetsk People's Republic.
May 11 saw Anatoliy Bibilov, the President of the Republic of South Ossetia, and Alexander Zakharchenko, the President of the Donetsk People's Republic, signing the Treaty of Friendship, Cooperation and Mutual Assistance between the Republic of South Ossetia and the Donetsk People's Republic.