Gore Police are calling for witnesses to a fatal crash on December 27.
The crash resulted in the death of a motorcyclist. It occurred on SH1 around 4pm just east of Pukerau.
Police would like to speak to any witnesses of the crash that they have not yet spoken to.
"In particular the driver of a vehicle travelling towards Gore who was in front of the motorcyclist just prior to the crash," a spokesperson said.
Police would also like to speak with any motorist who may have been overtaken by a south-bound red motorcycle on SH1 in the vicinity of Pukerau or Clinton just prior to the crash.
Anyone with information is asked to contact Gore Police on 03 203 9300 or contact Crimestoppers anonymously on 0800 555 111 .