Among the missiles hurled into the town were balls filled with Greek fire, but the houses being entirely built of stone, no conflagrations of importance were caused by them, as a band of knights was organised specially to watch for these bombs, and whenever one of them was seen to fall, they hurried from their lookout to the spot, with a gang of slaves carrying baskets of earth and buckets of water, and quenched the flames before they had made any great headway.