Newsdeck: UK cedes Chagos Island sovereignty to Mauritius, retains Diego Garcia airbase

LONDON/PORT LOUIS, Oct 3 (Reuters) - Britain said on Thursday it would cede sovereignty of the Chagos Islands to Mauritius in a deal it said secured the future of the UK-U.S. Diego Garcia military base, and which could also pave the way for people displaced decades ago to return home.