installed there and they abandoned the town, which was retaken by the Christians. According to Orderic Vitalis an English fleet led by Edgar Ætheling, the exiled Saxon claimant to the throne of England, arrived at St Symeon on 4 March carrying supplies from the Byzantines. Historian Steven Runciman repeated the assertion, however it is unknown where the fleet originated and would not have been under Edgar's command. Regardless, the fleet brought raw materials for constructing siege engines, but these were almost lost on the journey from the port to Antioch when part of the garrison sallied out. Bohemond and Raymond escorted the material, and after losing some of the materials and 100 people, they fell back to the crusader camp outside Antioch. Before Bohemond and Raymond, rumours that they had been killed reached Godfrey who readied his men to rescue the survivors of the escort. However, his attention was diverted when another force sallied from the city to provide cover for the men returning from the ambush. Godfrey was able to hold off the attack until Bohemond and Raymond came to his aid. The reorganised army then caught up with the garrison before it had reached the safety of Antioch's walls. The counter-attack was a success for the crusaders and resulted in the deaths of between 1,200 and 1,500 of Antioch's defenders. The crusaders set to work building siege engines, as well as a fort, called La Mahomerie, to block the Bridge Gate and prevent Yaghi-Siyan attacking the crusader supply line from the ports of Saint Simon and Alexandretta, whilst also repairing the abandoned monastery to the west of the Gate of Saint George, which was still being used to deliver food to the city. Tancred garrisoned the monastery, referred to in the chronicles as Tancred's Fort, for 400 silver marks, whilst Count Raymond of Toulouse took control of La Mahomerie. Finally the crusader siege was able to have some effect on the well-defended city. Food conditions improved for the crusaders as spring approached and the city was sealed off from raiders. Fatimid embassy In April a Fatimid embassy from Egypt arrived at the crusader camp, hoping to establish a peace with the Christians, who were, after all, the enemy of their own enemies, the Seljuks. Peter the Hermit was sent to negotiate. These negotiations came to nothing. The Fatimids, assuming the crusaders were simply mercenary representatives of the Byzantines,