Parliament has unanimously passed a motion condemning the beating and torture of two detainees by security personnel in Fiji.
The event was captured on video and the Fiji police say they are investigating.
The United Nations has condemned the video and has called for Fiji's military regime to bring the attackers to justice, and hold an impartial investigation.
Labour MP Phil Goff says New Zealand can't remain silent when confronted with evidence of human rights abuses in neighbouring countries.
Mr Goff is also calling on Fiji's interim government to publicly condemn the use of torture, and Fiji's prison departmetn says three prison guards have been sacked over an online video that appears to show officials beating and torturing two men.
Apparently shot using a mobile phone, the video shows one handcuffed man being savagely beaten with batons and metal bars, and another being set upon by a dog as the animal's handler urges it on.
The Fiji Prisons and Corrections Service has declined to provide further details on the sackings, saying a police investigation into the video is still under way.
Fiji's military leader Commodore Voreqe Bainimarama - who seized power in a 2006 coup- said last week he would stand by officers implicated in the video, arguing they were just doing their duty.