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
Hafizullah Amin Amin, in which Puzanov participated. The situation was worsened by the KGB accusing Amin of misrepresenting the Soviet position on Afghanistan in the PDPA Central Committee and the Revolutionary Council. The KGB also noted an increase in anti-Soviet agitation by the government during Amin's rule, and harassment against Soviet citizens increased under Amin. A group of senior politicians reported to the Soviet Central Committee that it was necessary to do "everything possible" to prevent a change in political orientation in Afghanistan. However, the Soviet leadership did not advocate intervention at this time, and instead called for increasing its influence in