Babrak Karmal Parchamite faction found itself under significant pressure by the Khalqists soon after taking power. In June 1978, a PDPA Central Committee meeting voted in favor of giving the Khalqist faction exclusive control over PDPA policy. This decision was followed by a failed Parchamite coup, after which Hafizullah Amin, a Khalqist, initiated a purge against the Parchamites. Karmal survived this purge but was exiled to Prague. Karmal remained in exile until December 1979, when the Soviet Union intervened in Afghanistan (with the consent of Amin's government) to stabilize the country. The Soviet troops staged a coup and assassinated Amin. Karmal had
1979 in Afghanistan one time estimated to number 140,000. Amin is overthrown and killed in a coup backed by Soviet troops. Viktor Karpukhin carries out the taking of the presidential palace, in which two Soviet soldiers are killed. Ex-deputy prime minister Karmal, who has been in exile in Czechoslovakia, is picked as Amin's successor. The Soviets have begun a massive military airlift into Kabul, and at least two motorized divisions have crossed the Soviet-Afghan border. Babrak Karmal, whose Parcham party spearheaded the coup against Daud but later lost power to the faction led by Taraki and Amin, is considered more pro-Soviet than Amin