Possible human remains have been found in Taipa prompting an investigation by police and a specialist team.
The remains were discovered on Monday afternoon in an area of scrubland.
They're believed to have laid in the bush for several years.
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"As a result, formal identification of the remains could take an extended period of time," said Detective Inspector Rhys Johnston
A scene examination continued on Tuesday. The terrain is "challenging" according to Johnston, and specialists have been called in to assist.
The remains are not expected to be moved until Wednesday.
A police cordon is in place around the site, and police are making inquiries to establish the circumstances around the incident.
The town of Taipa is on Northland's east coast, 30 kilometres from Kaitaia.