Tanks in the Soviet Union on Tajbeg Palace began; as planned, president Hafizullah Amin was killed. The Soviet military command at Termez, Uzbek SSR, announced on Radio Kabul that Afghanistan had been liberated from Amin's rule. According to the Soviet Politburo they were complying with the 1978 "Treaty of Friendship, Cooperation and Good Neighborliness" and Amin had been "executed by a tribunal for his crimes" by the Afghan Revolutionary Central Committee. That committee then elected as head of government former Deputy Prime Minister Babrak Karmal, and said that it had requested Soviet military assistance. Soviet ground forces, under the command of Marshal Sergei Sokolov, entered
Assadullah Sarwari Asadullah Amin in October 1979. In September 1979 Sarwari was involved in a pro-Nur Muhammad Taraki plot to oust Prime Minister Hafizullah Amin. After the failure of the plot, he and his comrades (the 'Gang of Four') escaped to the Soviet Embassy, where he was given asylum until the Soviet invasion and the fall of Amin in December 1979. After the invasion, under the government of Babrak Karmal, Sarwari was first given the task of deputy prime minister, but he was soon removed from the government and posted as ambassador to Mongolia from 1980 to 1986. In January 1980, Sarwari