From Rotorua Daily Post (via Aajt 16 Fd Regt):
Last-shot gunner dies Rotorua: The man said to be the last New Zealander to fire at North Korean troops in the Korean Wardied at his home on Sunday.
Nepia Maniapoto (84) served on Fox 1 163 Bty, in the front line in the Korean War as a gunner with the Royal New Zealand 16th Field Artillery Regiment.  He is said to be the last person in the New Zealand regiment to fire at the North Korean troops, after his gun accidentally discharged on the day a ceasefire was announced, July 27,1953.