British plan to cede Chagos Islands to Mauritius, raising security concerns

The Chagos Islands are one of the last vestiges of the British Empire. They are currently home to a key U.S. military base. But under pressure from the United Nations, Britain looks set to hand sovereignty of the islands to Mauritius. Critics say the deal would compromise the security of the region in the face of a growing threat from China, as Henry Ridgwell reports from London.