The UK and Mauritius recently signed an agreement concerning the Chagos Archipelago, including Diego Garcia, on May 22, 2025. This agreement has been presented to Parliament for ratification as part of the process to ensure its entry into force. The treaty aims to address long-standing issues related to sovereignty and the operation of the military base on Diego Garcia, which is crucial for UK national security.

The treaty regarding the Chagos Archipelago acknowledges the rights of the Chagossians to return to the islands, excluding Diego Garcia but it does not guarantee immediate resettlement.The Mauritian Government is tasked with determining specific pathways for the resettlement of Chagossians. It also includes provisions to establish a trust fund in Mauritius aimed at assisting the Chagossian community.

https://commonslibrary.parliament.uk/research-briefings/cbp-10273/