 Azkajwar's capital, Kath, was shortly captured Umayya, who forced Azkajwar to recognize Abbasid suzerainty.However, after Umayya left Khwarazm, Azkajwar declared independence from the Abbasid Caliphate.During the early 700s, Yazid ibn al-Muhallab, the new Abbasid governor of Khurasan, invaded Khwarazm but was eventually repulsed by the forces of Azkajwar.