evidence: But at the ICJ, Judge Abdulqawi Ahmed Yusuf described the UK's administration of the Chagos Islands as "an unlawful act of continuing character". [...] The Chagos Archipelago was separated from Mauritius in 1965, when Mauritius was still a British colony. Britain purchased it for £3m - creating the BIOT. [...] In 2002, the British Overseas Territories Act granted British citizenship to resettled Chagossians born between 1969 and 1982. But the 13-year window has left some families divided.