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Trump Warned: Chagos Islands Deal Threatens Security

1/24/2026

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Summary

Story summary

U.S. President Donald Trump received a letter months before criticizing the Chagos Islands deal.
The letter, signed by over 40 senior UK officials, warned sovereignty transfer to Mauritius could threaten UK and US security.
It also said the deal would create legal ambiguities under the Pelindaba Treaty.
The UK will retain Diego Garcia's base under a 99-year lease.

History

Historical Context

The Pelindaba Treaty, established in 1996, created a nuclear-weapon-free zone in Africa, signed by 43 nations, including the UK and Mauritius. This treaty raised concerns for the UK and US regarding the sovereignty of the Chagos Islands, particularly Diego Garcia, vital for military operations. The ongoing geopolitical tensions highlight the complexities of territorial sovereignty and military strategy in the region.

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Story summary

U.S. President Donald Trump received a letter months before criticizing the Chagos Islands deal.
The letter, signed by over 40 senior UK officials, warned sovereignty transfer to Mauritius could threaten UK and US security.
It also said the deal would create legal ambiguities under the Pelindaba Treaty.
The UK will retain Diego Garcia's base under a 99-year lease.

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