New claims have emerged of unrest at another jail soon after scandal engulfed Mt Eden prison.

John Key says there will be serious consequences for Serco if they are found to not be meeting obligations.

A prisoner, who was so badly beaten he sustained serious brain injuries, is taking Serco to court in a private prosecution - the first of its kind in New Zealand.

This should not be happening. Being locked up is punishment enough, writes Kerre McIvor.

The prisoner who died after allegedly being dropped off a landing at Mount Eden may have died from causes unrelated to an assault.

The Prime Minister says there will be serious consequences for Serco if they are found to not be meeting obligations at Mt Eden Correctional Facility.

A former Mt Eden inmate reveals tobacco and drugs are regularly available, and shows David Fisher how they are smuggled in.

Corrections Minister Sam Lotu-Iiga denies the takeover indicates a loss of confidence in operator.

Minister says Government team is stepping in to run Mt Eden prison, after private firm rocked by allegations of violence.

The parents of a prison inmate whose death is at the centre of a prison violence scandal are looking to lay a formal complaint with police.

The father of a former inmate at Mt Eden Prison denies claims his son was injured when he fell from a cell block landing.

Corrections Minister Sam Lotu-Iiga was under renewed pressure last night after a fresh case of violence was reported from the Serco-run Mt Eden Correctional Facility.

The White House has announced that it is finalising a plan to close the Guantanamo Bay detention facility in Cuba.

The Corrections Minister's statements are all well and good but the seriousness of prison claims requires a harder line, writes Toby Manhire.

Faced with a growing backlog in the already overloaded justice system, a frustrated judge has criticised Serco's Mt Eden prison for not doing its job.

The inmate whose death is at the centre of a prison violence scandal is the grandson of a National Party stalwart who died just weeks later.

Serco has been fined $300,000 in the last year for breaching its contract with the Government, the Corrections Minister revealed this afternoon.

Labour MP Kelvin Davis says the Corrections Minister has lost control of his department.

Labour MP Kelvin Davis has claimed that a prisoner who was thought to have died from a superbug had severe injuries that could only have been caused by violent abuse within jail.

The inmate whose death is the subject of multiple inquiries was on the brink of escaping the life which put him behind bars, friends have told the Herald.

Labour MP Kelvin Davis has claimed a prisoner who was thought to have died from a superbug had severe injuries that could only have been caused by violent abuse.

The fight clubs were a “disgrace” and showed private companies should not run prisons, the Public Service Association said.

Prison officers union says Mt Eden Prison chiefs were told 18 months ago but did "nothing about it".

Ten prison staff have been fired over inappropriate relationships - in some cases sex - with inmates.

“This behaviour of prisoners is unacceptable," said Corrections Minister Peseta Sam Lotu-Iiga.

Footage was reportedly filmed by an inmate at Auckland's Mount Eden prison who then sent it to media.

The Corrections Minister has announced a "robust and thorough" review over footage of inmates engaging in banned behaviour in New Zealand prisons.