US President Donald Trump renewed criticism last week of the UK’s agreement with Mauritius over the Chagos Archipelago, despite earlier US backing for the deal. Posting on his Truth Social platform, Trump warned Prime Minister Keir Starmer was “making a big mistake” by restoring Mauritian sovereignty over the islands.For all the latest headlines follow our Google News channel online or via the app.“Our relationship with the United Kingdom is a strong and powerful one, and it has been for many years, but Prime Minister Starmer is losing control of this important Island by claims of entities never known of before,” Trump wrote.He also linked the issue to possible US military action against Iran over its nuclear program, saying Washington might need access to the Diego Garcia base and RAF Fairford “to eradicate a potential attack by a highly unstable and dangerous Regime” if diplomacy fails.What the Chagos deal involvesLast year, Starmer reached an agreement with Mauritius to transfer