 Ultimately, Ali facilitated the city's surrender to Muslim in return for the allotment of "iqṭāʿat" to the Mirdasids in Aleppo's hinterland.Meanwhile, the Banu Munqidh led renewed efforts to capture the Shayzar fortress in what historian Hugh N. Kennedy described as a “long, drawn out process”.The catalyst of these efforts was the weakening grip of the Byzantines in northern Syria following their defeat by the Seljuk Sultanate at the Battle of Manzikert in 1071.