Babrak Karmal have so far not opted for concrete and constructive positions." During Karmal's rule Afghan–Pakistani relations remained hostile; the Soviet intervention in Afghanistan was the catalyst for the hostile relationship. The increasing numbers of Afghan refugees in Pakistan challenged the PDPA's legitimacy to rule. The Soviet Union threatened in 1985 that it would support the Baloch separatist movement in Pakistan if the Pakistani government continued to aid the mujahideen in Afghanistan. Karmal, problematically for the Soviets, did not want a Soviet withdrawal, and he hampered attempts to improve relations with Pakistan since the Pakistani government had refused to recognise the PDPA
Saad Akbar Babrak Saad Akbar Babrak Said Akbar Khan Babrakzai (died 16 October 1951) was possibly an Afghan Pashtun, according to the government sources, and an ultra-Pashtun nationalist, an assassin who assassinated the first Prime Minister of Pakistan, Liaqat Ali Khan, in Rawalpindi Punjab Province, on October 16, 1951. On October 16, 1951, during a public meeting, Sayed Akbar Khan shot Liaqat twice in a park in Rawalpindi, Pakistan. The assassin was fatally shot by police officers seconds later. Liaqat was rushed to a hospital where he died. Biographical details of Sayed Akbar and the reasons why he killed Liaquat Ali Khan are