New Delhi, Jan. 14 : In a startling revelation, Umar Daud Khattak, a separatist Pashtun leader, has shockingly alleged that the Pakistan Army it is using Pashtun women as sex slaves. He has alleged that the Pakistan Army, in the garb of conducting a military operation in the Swat and Waziristan region, is committing grave human right abuses, and specifically targeting the young Pashtun women.