the british and the americans say their priority here is security, that if the uk surrenders sovereignty over this strategic archipelago, before long, the chinese navy could be muscling in here. but the mauritian government insists they won't allow that to happen. but this isn'tjust about sovereignty and security. also visiting chagos today, islanders who were forcibly removed from their homes here by britain, 50 years ago. it is a rare chance to visit their ancestors' graves. "it is in such a mess. it makes me sad", says rosamund. and, although the chagossians are not united on this, the group raises another mauritian flag, in defiance of britain. andrew harding, bbc news, on the chagos islands. that's all for now —