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Sir Keir Starmer has signed a long-term deal handy sovereignty of the Chagos Islands to Mauritius below which Britain can pay greater than £100mn a 12 months to ensure the way forward for a joint US-UK air base.
The UK authorities on Thursday mentioned the settlement would assure the way forward for the Diego Garcia air base within the Indian Ocean for “no less than the subsequent century” and that the online current worth below the treaty was £3.4bn.
The prime minister signed the deal, which is able to see Britain pay £101mn a 12 months, in a digital ceremony with the Mauritian authorities solely after a last-minute Excessive Courtroom injunction granted within the early hours of Thursday was lifted.
Starmer mentioned the bottom was “completely very important” for nationwide safety and performed a task in navy operations within the Crimson Sea and throughout the Indo-Pacific.
“This was the one technique to keep the bottom in the long run; there’s no different,” he instructed a press convention on the Northwood navy command centre close to London.
Starmer claimed that Britain would have been liable to worldwide authorized problem over its management of the Chagos had it not signed the treaty with Mauritius, placing the operation of the bottom in jeopardy.

The prime minister mentioned the UK’s 4 companions within the “5 Eyes” safety alliance — the US, Canada, New Zealand and Australia — backed the treaty, whereas Russia, China and Iran opposed it.
Starmer mentioned it was “shocking” that Conservative chief Kemi Badenoch and Nigel Farage, Reform UK chief, have been within the latter camp, having accused the prime minister of surrendering sovereignty over the islands.
The US, the first person of the Diego Garcia base, would proceed to fund a lot of its annual operating prices, an quantity that dwarfed the UK’s yearly fee, he added.
The deal consists of what ministers referred to as “sturdy provisions to maintain adversaries out” of the Chagos space, together with a 24-mile nautical buffer zone and a ban on overseas safety forces on outer islands.
The measures — broadly seen as being geared toward China, which the earlier Tory authorities described as an “epoch-defining problem” to Britain — additionally embody a course of with Mauritius to “stop any actions on the broader islands” from disrupting base operations. The UK and US would share veto powers below the deal, authorities officers mentioned.
Navin Ramgoolam, prime minister of Mauritius, welcomed “an important victory” in a stay broadcast. “Now we have gained recognition of our sovereignty over all the archipelago of Chagos, together with Diego Garcia, which completes the method of decolonisation which started in 1968,” he added, noting the deal’s “monetary bundle”.
The long-planned association for the British Indian Ocean Territory has been closely criticised by Badenoch, who has accused Starmer of giving up an necessary strategic asset and saddling taxpayers with giant funds to retain entry.
Starmer famous that the £101mn common annual fee was handled as a £3.4bn internet current worth price below UK accounting guidelines, endorsed by the Workplace for Finances Duty, the fiscal watchdog. Officers mentioned preliminary funds can be increased and taper over time, however didn’t present additional particulars.
Crucially US President Donald Trump endorsed the deal when he met Starmer within the White Home in February, saying: “I’ve a sense it’s going to work out very nicely.”
The signing of the deal got here after Mr Justice Martin Chamberlain mentioned an emergency order granted by Mr Justice Julian Goose at 2.25am “is discharged from this level onwards”.
In his ruling Chamberlain mentioned the appliance for an injunction requested by two Chagossian ladies, led by Bertrice Pompe, was “unprecedented” and would stop the federal government from concluding a treaty “within the train of a overseas treaty prerogative” to which it was entitled.
At a listening to within the case on Thursday morning, Philip Rule KC, performing for the lead claimant and talking remotely from New York, petitioned the court docket to increase the “interim reduction” on the deal. He argued that the federal government had not given correct “recognition and consideration and provision” for Chagossian UK residents in its decision-making.
Nonetheless, Chamberlain was essential of the in a single day software from the beginning of the listening to, stating that it was “probably not a correct technique to litigate” and that the lead claimant ought to have made an software sooner.
Pompe mentioned it was “a really, very unhappy day” however “we aren’t giving up” after the ruling.
Further reporting by David Pilling in London