Five New Zealand Defence Force personnel have been stood down after claims they used an unknown substance while deployed in Fiji.
Radio New Zealand reports that the New Zealand Defence Force is investigating the incident.
It has not been confirmed whether the unknown substance was an illegal drug.
A spokesperson says the five have been stood down from normal duties during the investigation, but it had not affected the defence force's humanitarian operation in Fiji.
About 400 defence force staff, including soldiers, engineers, aircrew and medics, are still in Fiji helping in the aftermath of Cyclone Winston.
The defence force says it would not make any further comment while its investigation is proceeding.
Source: radio nz