The United Nations mission in Mali has called for the “immediate and unconditional” release of the country’s president and prime minister, who were detained by military officers after a cabinet reshuffle. President Bah Ndaw, prime minister Moctar Ouane and defence minister Souleymane Doucoure were all seized on Monday and taken to a military base in Kati outside the capital Bamako, according to diplomatic and government sources. On Twitter, the UN mission in Mali, known as Minusma, said: “We are following events closely and remain committed to supporting the Transition. We call...