Jund Filastin
According to an account by a Christian source from the time, the towns of Gaza, Bayt Jibrin, Ascalon in Jund Filastin and Sariphaea in Jund al-Urdunn were destroyed in 788, or during the reign of Patriarch Elias II (r. 770–797), during the hostilities between the Abbasids and a force of rebels commanded by Yahya ibn Irmiya, a Jew from Transjordan.