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LONDON (Reuters) - The eastern Mediterranean region will face a sustained security threat if Cyprus continues unilateral operations there, Turkish President Tayyip Erdogan said on Monday.

Erdogan, on an official visit to Britain, made the comment in a speech at the Chatham House think tank in London. Turkey and Cyprus’s internationally recognized Greek Cypriot government have been locked in a public dispute over overlapping claims of jurisdiction for offshore oil and gas research.