In 1983, the leaders of the Turkish community of Cyprus

In 1983, the leaders of the Turkish community of Cyprus

In 1983, the Turkish Republic of Northern Cyprus was proclaimed the leader of the Turkish Cypriot community. Only Turkey recognized the newly created state. The UN Security Council in its resolution stated that the decision to establish a Turkish Cypriot state was unlawful, and urged it not to be recognized. Justify the decision of the Security Council.
How are such actions consistent with the principle of self-determination of peoples?

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