Football in Crimea were expelled after UEFA ruled against the move. In March 2015, UEFA announced that it would treat Crimea as a “special zone,” as neither Russian nor Ukrainian, and that it would help Crimea develop its own soccer system. In return, Russia agreed that the Crimean clubs would not ask to play in European competitions for at least two years. Many players from Crimea played for the Ukraine national football team, among which Serhiy Lezhentsev, Serhiy Kovalets, Denys Holaido, Serhiy Yesin, Oleksandr Svystunov, and Oleksandr Yevtushok. Less often Crimean players played for the Russia national football team, among which is Evgeni
Annexation of Crimea by the Russian Federation "complete disregard" of the treaty. Both Russia and Ukraine are signatories to the Charter of the United Nations. The ratification of said charter has several ramifications in terms of international law, particularly those that cover the subjects of declarations of independence, sovereignty, self-determination, acts of aggression, and humanitarian emergencies. Vladimir Putin said that Russian troops in the Crimean peninsula were aimed "to ensure proper conditions for the people of Crimea to be able to freely express their will", whilst Ukraine and other nations argue that such intervention is a violation of Ukraine's sovereignty. Russia, United States, United Kingdom and Ukraine