The chief of Uganda’s military is threatening to expel the top U.S. diplomat assigned to the Central African nation after a diplomatic spat. General Muhoozi Kainerugaba has given US Ambassador

It is not clear why Kainerugaba, who is President Yoweri Museveni’s son, issued the ultimatum to the ambassador, although this week the United States sanctioned four Ugandan police officers for human rights violations.

The United States ambassador in Kampala, William Popp, is facing a severe challenge. The head of Uganda's army, General Muhoozi Kainerugaba, known for his controversial and impulsive statements, has demanded that the diplomat apologize to Uganda's President Yoweri Museveni.

The chief of Uganda’s military is threatening to expel the top U.S. diplomat assigned to the Central African nation after a diplomatic spat. General Muhoozi Kainerugaba has given U.S. Ambassador William Popp an ultimatum – apologize by Monday morning or leave the country,