Confined within the camp, the mood among the Hungarians turned to panic after their sallies were ineffective and they sustained repeated bombardments by stone and gunpowder. Terrified by the flaming arrows, the trampling crush of their comrades resulted in the deaths of many soldiers. The nobles inside the camp felt little loyalty to the king, and likely would have deserted had they not already been surrounded. Béla's brother, Coloman, rallied enough men to sally out and charge the Mongols, but his attack was driven back. The Mongols used their siege equipment to pound the camp's fortifications, and set fire to the tents. Finally, the demoralized soldiers decided to flee. They tried to escape through a gap left open on purpose by the Mongols, and almost all of them were slaughtered