A New Legal Blow to the U.K.’s Chagos Islands Deal

Welcome to Foreign Policy’s Africa Brief. The highlights this week: A landmark decision deals a fresh blow to the U.K.-Mauritius Chagos Islands deal, the Democratic Republic of the Congo inks a third-country migrant deal with the United States, and the Mali-Mauritania rift deepens amid rising border violence. Deal on the Rocks A landmark legal ruling has dealt a fresh setback to the United Kingdom’s deal with Mauritius to hand back the Chagos Islands, Britain’s last African colony, after a bitter, decades-long battle. Last week, the Supreme Court of the Chagos Archipelago—officially known as the British Indian Ocean Territory—overturned the ban…