The bodies of four tourists who died when a volcano in the Philippines erupted unexpectedly have been flown to Manila.<br/> <br />One Spaniard and three Germans were killed by the ash explosion on Tuesday and their remains retrieved from the Mayon Volcano in central Philippines.<br/> <br />The body of their Filipino guide, who also died, was airlifted out too.<br/> <br />Nine other climbers were injured as huge boulders rained down on the group.<br/> <br />It took nearly two days for rescuers to carry the bodies down the mountain as soldiers, police and volunteers battled rain on the steep, muddy slopes.<br/> <br />The remains are set to be repatriated later on Friday, according to airport officials.