UK cedes Chagos Islands to Mauritius in deal securing Diego Garcia military base FRANCE 24 EnglishKey U.S. Military Base Secured as U.K. Returns Disputed Islands to Mauritius The Wall Street JournalU.K. returns sovereignty of Chagos Islands to Mauritius after long dispute The Washington PostUK cedes Chagos Island sovereignty to Mauritius, retains Diego Garcia airbase ReutersBritain agrees Chagos Island sovereignty deal with Mauritius CNN