The police armed offenders squad was been called to the Horowhenua town of Shannon on Monday night.
They were called to Mangaore, east of the town, about 5pm, a police spokeswoman told NZ Newswire.
"It is all over and one man is speaking to police at Levin station," she said.
The man barricaded himself inside his house with his child and a knife, Fairfax reported.