In 1662, Koxinga's forces raided several towns in the Philippines. Koxinga's chief adviser was an Italian friar named Vittorio Riccio, whom he sent to Manila to demand tribute from the colonial government of the Spanish East Indies, threatening to attack the city if his demands were not met. The Spanish refused to pay the tribute and reinforced the garrisons around Manila, but the planned attack never took place due to Koxinga's sudden death in that year after expelling the Dutch from Taiwan.