While Pizarro was busy with his work, Manco showed his true colors. It is not at all improbable that he had meditated treachery throughout, and had made alliance with the Spaniards simply to get them in his power. At all events he now suddenly slipped away, without provocation, to raise forces to attack the Spaniards, thinking to overcome them while they were scattered at work in their various colonies. The loyal Indians warned Juan Pizarro, who captured and imprisoned Manco. Just then Hernando Pizarro arrived from Spain, and Francisco gave him command at Cuzco. The wily Manco fooled Hernando into setting him free, and at once began to rally his forces. Juan was sent out with sixty mounted men, and finally met Manco's thousands at Yucay. In a terrible struggle of two days the Spaniards held their ground, though with heavy loss, and then were startled by a messenger with the news that Cuzco itself was besieged by the savages. By a forced march they got back to the city by nightfall, and found it surrounded by a vast host. The Indians suffered them to enter,--evidently desiring to have all their mice in one trap,--and then closed in upon the doomed city. Hernando and Juan were now shut up in Cuzco. They had less than two hundred men, while outside, the slopes far and near were dotted with the camp-fires of the enemy,--so innumerable as to seem "like a sky full of stars." Early in the morning (in February, 1536), the Indians attacked. They hurled into the town fire-balls and burning arrows, and soon had set fire to the thatched roofs. The Spaniards could not extinguish the fire, which raged for several days. The only thing that saved them from being smothered or roasted to death was the public square, in which they huddled. They made several sallies, but the Indians had driven stakes and prepared other obstacles in which the horses became entangled. The Spaniards, however, cleared the road under a fierce fire and made a gallant charge, which was as gallantly resisted. The Indians were expert not only with the bow but with the _reata_ as well, and many Spaniards were lassoed and slain. The charge drove the savages back somewhat, but at heavy cost to the Spaniards, who had to return to town. They had no chance for rest; the Indians kept up their harrying assaults, and the outlook was very black. Francisco Pizarro was besieged in Lima; Xauxa was also blockaded; and the Spaniards in the smaller colonies had been overpowered and slain. Their ghastly heads were hurled into Cuzco, and rolled at the feet of their despairing countrymen. The case seemed so hopeless that many were for trying to cut through the Indians and escape to the coast; but Hernando and Juan would not hear of it.