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Chagos Islands: Sovereignty

Asked by Priti PatelConservativeForeign, Commonwealth and Development OfficeTabled Answered 1 July 2025UIN 62576

The question

To ask the Secretary of State for Foreign, Commonwealth and Development Affairs, with reference to the UK/Mauritius Agreement concerning the Chagos Archipelago (CS Mauritius No.1/2025), what assessment he has made of the potential risk of Mauritius initiating legal challenges in relation to activities (a) at and (b) from Diego Garcia under the provisions of Article 4 and Article 7 of that Treaty.

Answered by Stephen Doughty

The Treaty explicitly grants all rights and authorities that the United Kingdom requires for the long-term, secure and effective operation of the Base. The United Kingdom will ensure all operations on Diego Garcia comply with its obligations under applicable international law.

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