One of Scipio's (later Africanus) first major battles in Spain, this siege is described by Appian in his Iberica (Wars in Spain) at 5.25-28. Now this Hasdrubal ordered all the remaining Carthaginian forces in Spain to be collected at the city of Carmone to fight Scipio with their united strength. Hither came a great number of Spaniards under the lead of Mago, and of Numidians under Masinissa. Hasdrubal had the infantry in a fortified camp, Masinissa and Mago, who commanded the cavalry, bivouacking in front of it. Scipio divided his own horse so that Lælius should attack Mago while he himself should be opposed to Masinissa. This fight was for some time doubtful and severe to Scipio, since the Numidians discharged their darts at his men, then suddenly retreated, and then wheeled and returned