Oyo Nyimba Kabamba Iguru Rukidi IV, a Ugandan king who became the world’s youngest reigning monarch when he was crowned at the age of 3 in 1995, has died. He was 34. Rukidi IV, the ruler of the small Kingdom of Tooro in Uganda’s west, died around 10 p.m. local time Thursday, Tooro Prime Minister Calvin Armstrong Rwomiire Akiiki announced. “This is an immeasurable loss to the Royal Family, the people of Tooro and the nation of Uganda,” he said in a statement. “I call upon all the people of Tooro to remain united, calm and prayerful during this profoundly...