From the valley of the Camels they went on to attack Arqah, with Raymond of Toulouse, Robert of Normandy and Tancred playing the major roles. The besiegers' mangonels were matched by those of the defenders, while those undermining the walls also met strong resistance. The famous Anselm of Ribemont saw a vision of his own death, explained it to Arnulf of Choques and was advised how ro react. Soon after he was attacking strongly when he was struck by a piece of rock, which broke open his skull. The mourning of the leaders was intense