Idi Amin of Amin's ministers defected or fled into exile. In November 1978, after Amin's vice president, General Mustafa Adrisi, was injured in a car crash, troops loyal to him mutinied. Amin sent troops against the mutineers, some of whom had fled across the Tanzanian border. Amin accused Tanzanian President Julius Nyerere of waging war against Uganda, ordered the invasion of Tanzanian territory, and formally annexed a section of the Kagera Region across the boundary. In January 1979, Nyerere mobilised the Tanzania People's Defence Force and counterattacked, joined by several groups of Ugandan exiles who had united as the Uganda National Liberation
Charles Oboth Ofumbi in Gulu to being the assistant secretary in the Office of the Prime Minister. Under the Government of Milton Obote he was successively a chief accountant in the Defence ministry, acting Defence Minister and finally Defence Minister (1971). A good relationship with Idi Amin ensured that Oboth Ofumbi kept the role following Amin's coup in January 1971, serving as Defence Minister until 1973. Oboth Ofumbi died while awaiting trial for his part in an alleged coup attempt. It is generally accepted that he was murdered under the orders of President Idi Amin, although the official account is of a car