 The Hezb-e Islami Gulbuddin had been driven out of Kabul, but were still within artillery range.In May 1992 Hekmatyar started a bombardment campaign against the capital, firing thousands of rockets supplied by Pakistan.In addition to the bombardment campaign, Hekmatyar's forces had overrun Pul-e-Charkhi prison while still in the centre of Kabul, and had set free all the inmates, including many criminals, who were able to take arms and commit gruesome crimes against the population.