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
Babrak Karmal their ideological nemesis being the Khalq faction. Under Karmal's leadership, the Parchamite PDPA participated in Mohammad Daoud Khan's rise to power in 1973, and his subsequent regime. While relations were good at the beginning, Daoud began a major purge of leftist influence in the mid-1970s. This in turn led to the reformation of the PDPA in 1977, and Karmal played a major role in the 1978 Saur Revolution when the PDPA took power, though in later years he denounced it. Karmal was appointed Deputy Chairman of the Revolutionary Council, synonymous with vice head of state, in the communist government. The