 When a Byzantine fleet arrived, the Arabs raised the siege and tried to sail back to Africa, but were hindered by the Byzantine ships.Thwarted, the Muslim army burned its ships and retreated over land to the castle of Mineo, which surrendered to them after three days.Despite his contacts with the imperials, Euphemius was now willing to serve as their guide, evidently hoping that the Muslims, humbled by their failure and without the strong will of Asad to guide them, could now be made to serve his purposes.