This victory so greatly increased the reputation of Castruccio that Uguccione conceived some jealousy and suspicion of him, because it appeared to Uguccione that this victory had given him no increase of power, but rather than diminished it. Being of this mind, he only waited for an opportunity to give effect to it. This occurred on the death of Pier Agnolo Micheli, a man of great repute and abilities in Lucca, the murderer of whom fled to the house of Castruccio for refuge. On the sergeants of the captain going to arrest the murderer, they were driven off by Castruccio, and the murderer escaped. This affair coming to the knowledge of Uguccione, who was then at Pisa, it appeared to him a proper opportunity to punish Castruccio. He therefore sent for his son Neri, who was the governor of Lu
