pResidents of the North Island town of Te Aroha were besieged by floodwaters on Thursday, April 13, as Cyclone Cook bore down on New Zealand.ppAt least five properties were inundated as emergency crews worked to protect homes using sandbags, stuff.co.nza reported.ppThe flooding worsened on Fridaya, as the Matamata-Piako District Council warned the Waihou River was at its highest level ever recorded.