Written Question·Foreign, Commonwealth and Development Office·UIN 91047

Chagos Islands: Sovereignty

Tabled: 13 November 2025
Answered: 21 November 2025

Question

Rupert Lowe

Restore Britain — Great Yarmouth

To ask the Secretary of State for Foreign, Commonwealth and Development Affairs, whether U.S. officials have (a) participated in and (b) been consulted on UK–Mauritius negotiations regarding the Chagos Islands and Diego Garcia since 2022.

Answer

Stephen Doughty

As I stated in the House of Commons on 2 September, the UK-Mauritius treaty was tested at the highest levels of the United States' security establishment, across multiple agencies. The agreement has been backed by our key allies and international partners, including the US and all our Five Eyes partners.