 Modern historians have speculated that Harald may have been in a party sent to escort pilgrims to Jerusalem (possibly including members of the Imperial family) following the peace agreement, as it was also agreed that the Byzantines were allowed to repair the Church of the Holy Sepulchre.Furthermore, this may in turn have presented Harald with opportunities to fight against bandits who preyed on Christian pilgrims.In 1038, Harald joined the Byzantines in their expedition to Sicily, in George Maniakes's (the sagas' "Gyrge") attempt to reconquer the island from the Muslim Saracens, who had established the Emirate of Sicily on the island.