Numerous searches and inquiries had been conducted, centred around the Mōhaka railway viaduct and the surrounding river, and the Police National Dive squad has searched the Mōhaka River at that location, and around 200 metres downstream.
The police spokeswoman said the amount of rain and water level of the river, as well as debris from Cyclone Gabrielle, had made the area “high risk” and challenging for those searching.
Members of the public who have seen Matthew or who may have any information that may assist in locating him, are asked to contact police on 105 if it is after the fact, or 111 if it is a recent sighting. The police reference file number is 231010/6661.