Idi Amin relations, leading the United Kingdom to close its High Commission in Uganda. In retaliation for Kenya's assistance in the raid, Amin also ordered the killing of hundreds of Kenyans living in Uganda. Uganda under Amin embarked on a large military build-up, which raised concerns in Kenya. Early in June 1975, Kenyan officials impounded a large convoy of Soviet-made arms "en route" to Uganda at the port of Mombasa. Tension between Uganda and Kenya reached its climax in February 1976, when Amin announced that he would investigate the possibility that parts of southern Sudan and western and central Kenya, up to
Hafizullah Amin did not participate in the meeting. This, according to Beverley Male, "suggested that some plot against Amin was in preparation". Taraki was instructed to stop-over in Moscow, where the Soviet leaders urged him to remove Amin from power as per the KGB's decision, because Amin posed danger. Amin's trusted aid, Daoud Taroon, informed Amin of the meeting and the KGB's plan. In Kabul, Taraki's aides, the Gang of Four (consisting of Watanjar, Mazdoryar, Gulabzoi and Sarwari), planned a plot to assassinate Amin, but it failed as Amin was informed of this. Within hours of Taraki's return to Kabul on 11