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UK pauses its plan to cede Chagos Islands after US opposition

Published by Global Banking & Finance Review

Posted on April 11, 2026

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· Last updated: April 11, 2026

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UK pauses its plan to cede Chagos Islands after US opposition
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LONDON, April 11 (Reuters) - Britain's government said on Saturday it had put on hold its deal to cede sovereignty of the Chagos Islands - home to the U.S.-British Diego Garcia air base - which has

UK pauses its plan to cede Chagos Islands after US opposition

Britain’s Chagos Islands Deal Faces US Resistance and Political Fallout

By Suban Abdulla and William Schomberg

LONDON, April 11 (Reuters) - Britain's government said on Saturday it had put on hold its deal to cede sovereignty of the Chagos Islands - home to the U.S.-British Diego Garcia air base - which has been criticised by U.S. President Donald Trump.

Details of the Chagos Islands Deal

The planned legislation underpinning the deal to cede the islands to Mauritius, which needs the backing of Washington, would not be included in the government's next parliamentary agenda, The Times newspaper said.

Prime Minister Keir Starmer's office said London would try to persuade Washington to give its formal approval.

Trump said in February that the deal was a "big mistake" nL1N3ZE0XS, having previously said it was the best that Starmer would get.

Strategic Importance of Diego Garcia

Under the deal, Britain would retain control of the strategically important military base on Diego Garcia on a 99-year lease that preserves U.S. operations there.

A British government spokesperson said ensuring the long-term operational security of Diego Garcia would remain a priority.

"We continue to believe the agreement is the best way to protect the long-term future of the base, but we have always said we would only proceed with the deal if it has U.S. support. We are continuing to engage with the U.S. and Mauritius," the spokesperson said.

Historical Context: Displacement of Chagossians

Britain forcibly displaced up to 2,000 indigenous Chagossians in the late 1960s and 1970s to establish the base https://www.reuters.com/world/europe/uks-starmer-discussed-ukraine-call-with-trump-british-government-says-2026-02-03/ on the Diego Garcia atoll.

Strained UK-U.S. Relations

UK-U.S. RELATIONS STRAINED

The alliance between Washington and London has come under strain in recent weeks over Starmer's reluctance to get involved in the U.S.-Israeli war on Iran https://www.reuters.com/world/iran/ and his refusal at the start of the conflict to allow Trump to use British air bases to launch attacks.

U.S. forces have since been permitted to carry out what the prime minister calls defensive strikes.

Trump has also repeatedly criticised the British leader, saying he was "not Winston Churchill L8N3ZR0JI" and had ruined what is often called a "special relationship" between Britain and the U.S.

Mauritius and Chagossian Perspectives

Mauritius Attorney General Gavin Glover told local media on Saturday that the UK and the U.S. would need to find "common ground" to reach an agreement.

"The information that the agreement has been put on hold does not come as a surprise to us," Glover added.

"The deterioration in relations between Keir Starmer and Donald Trump is at the root of the problem, as the United Kingdom needs the United States to be aligned with the treaty."

Glover said that the country will hold discussions with Britain later this month in Mauritius.

Chagossian Community Response

Toby Noskwith, a spokesperson for Indigenous Chagossian People, a campaign group, said there had been some hesitation about the deal from the start from senior people in the Trump administration, perhaps even the President himself.

"We are astonished to have come to this point. This has been framed mainly as a state-to-state issue but the people who have been lost throughout the process are the Chagossians, particularly elders and survivors," Noskwith said.

He said questions needed to be asked about "the enormous sums of money which have been wasted on a collapsed negotiation, and the legality of conceiving a plan which denied the Chagossians their right to self-determination." He also said Starmer had to facilitate the dignified resettlement of the Chagossian people.

Reporting Credits

(Reporting by William Schomberg and Suban Abdulla in London; Additional reporting by Jean Paul Arouff in Port Louis; Editing by Gareth Jones and Jane Merriman)

Key Takeaways

  • Prime Minister Keir Starmer's government has deferred the parliamentary agenda item enacting the Chagos Islands deal with Mauritius, pending U.S. approval.
  • Donald Trump sharply criticised the deal in February, calling it a “big mistake” and warning it could threaten U.S.–UK strategic interests at Diego Garcia.
  • Despite the pause, the UK insists the agreement remains the best way to protect the Diego Garcia base’s long-term future—and will only move forward if Washington formally backs it.

Frequently Asked Questions

Why has the UK paused its Chagos Islands sovereignty deal?
The UK paused the deal to cede sovereignty of the Chagos Islands to Mauritius due to opposition from the US, which has concerns over its military base on Diego Garcia.
What is the significance of the Diego Garcia air base?
Diego Garcia is a strategically important US-British military base, and its long-term operational security is a priority for both the UK and US.
How has US President Trump responded to the Chagos deal?
US President Donald Trump criticized the deal, calling it a 'big mistake' and withholding US support, which is needed for the agreement to proceed.
What impact has the Chagos Islands issue had on UK-US relations?
The issue has strained the alliance between London and Washington, adding to tensions over military cooperation and broader UK-US relations.
What is the UK's next step regarding the Chagos Islands?
The UK will continue to engage with both the US and Mauritius to seek formal US approval for the sovereignty transfer while prioritizing the security of the Diego Garcia base.

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