This lasted from April 1570 until the spring of 1571. Catholic forces were greatly reinforced with infantry and cavalry. Led by Don John and the Duke of Sessa they launched a new campaign, invading the Alpujarra, destroying houses and crops, putting men to the sword and taking prisoner all the women, children, and elderly people whom they found in their path. "Spain had strained every nerve and had raised an overwhelming force to accomplish what Mondéjar had done with a few thousand men a twelve months earlier."