 Saladin besieged Tiberias in the eastern Galilee on 3 July 1187 and the Crusader army attempted to attack the Ayyubids by way of Kafr Kanna . After hearing of the Crusaders ' march , Saladin led his guard back to their main camp at Kafr Sabt , leaving a small detachment at Tiberias . With a clear view of the Crusader army , Saladin ordered al @-@ Muzaffar Umar to block the Crusaders ' entry from Hattin by taking a position near Lubya , while Gokbori and his troops were stationed at a hill near al @-@ Shajara . On 4 July the Crusaders advanced toward the Horns of Hattin and charged against the Muslim forces , but were overwhelmed and defeated decisively . Four days after the battle , Saladin invited al @-@ Adil to join him in the reconquest of Palestine . On 8 July the Crusader stronghold of Acre was captured by Saladin , while his forces seized Nazareth and Saffuriya ; other brigades took Haifa , Caesarea , Sebastia and Nablus , while al @-@ Adil conquered Mirabel and Jaffa . On 26 July Saladin returned to the coast and received the surrender of Sarepta , Sidon , Beirut , and Jableh . In August , the Ayyubids conquered Ramla , Darum , Gaza , Bayt Jibrin , and Latrun . Ascalon was taken on 4 September . In September – October 1187 , the Ayyubids besieged Jerusalem , taking possession of it on 2 October after negotiations with Balian of Ibelin . 
