 He and Massoud fought in a coalition against Gulbuddin Hekmatyar.Massoud and Dostum's forces joined together to defend Kabul against Hekmatyar.Some 4000-5000 of his troops, units of his Sheberghan-based 53rd Division and Balkh-based Guards Division, garrisoning Bala Hissar fort, Maranjan Hill, and Khwaja Rawash Airport, where they stopped Najibullah from entering to flee.