A serious assault at Mt Eden prison saw an inmate's arm broken at the elbow and spun like a windmill - a case which Serco failed to report.

It was announced today that the terms of reference and timeframe for the chief inspector of Corrections' investigation have been extended.

David Fisher talks to former inmates about what life behind bars is really like.

A transgender prisoner has been moved to a women's jail, hours after transgender advocacy group began a hunger strike highlighting her plight.

An investigation into organised prisoner fights at Mt Eden prison has been extended due to the number of issues raised at the facility.

The Department of Corrections is defending its position on transgender prisoners, as an advocate group threatens a hunger strike.

A former assistant director at then Serco-run Mt Eden Prison disputed a report in yesterday's Herald that he was dismissed for refusing to take a workplace drug test

The Department of Corrections has apologised to a Waikato inmate's family after prison medical staff failed to properly care for his "complex medical needs".

A prisoner who died in jail had requested segregation from a man who had been convicted of sexually assaulted him.

The inmate found dead in his Mt Eden prison cell had admitted violence and sex charges against women and children spanning a period of four decades.

Labour MP Kelvin Davis visits criminals at Paremoremo prison to collect further stories about inmates' treatment at Mt Eden Corrections Facility.

A murderer serving a life sentence at Auckland Prison in Paremoremo developed such an infatuation for a Corrections officer he had her name tattooed across his chest.

Under a new law, criminals won't be able to get their hands on mistreatment compensation cash while jailed, and their victims can claim compensation from the payouts.

The typical meal of mince and peas was out the window today in the Rimutaka Prison kitchen.

An Auckland man facing a raft of drugs, weapons and money laundering charges appeared in court this morning for a bail application.

Winston Peters has defended embattled Corrections Minister Peseta Sam Lotu-Iiga, saying he is partly qualified for the job because he is Samoan.

A crowd of about 100 protesters have gathered outside Auckand's Mt Eden Corrections Facility today against the privitisation of jails.

A single mum and a man have appeared in court for allegedly trying to smuggle drugs into a Christchurch prison.

Fights in a prison are probably not unusual, and often worse that the "fight club" video from Mt Eden that has had a political chain-reaction.

The arrest of three inmates at Mt Eden prison for allegedly helping to run a methamphetamine ring has not worried the Corrections Minister.

When a High Court judge comes out and makes a formal declaration that Parliament has failed to protect human rights, then we really should sit up and pay attention, writes Andrew Geddis.

Inquiry to look at figures Serco sent to the Department of Corrections showing "prisoner on prisoner violence": Corrections Minister Peseta Sam Lotu-Iiga.

A Corrections Department management team has taken over the day to day running of the prison for the immediate future.

What is accepted in Mt Eden today will creep into other institutions as prisoners are transferred from one to the other, writes Jarrod Gilbert. As a remand facility, Mt Eden is a gateway to prisons around the country.

The money to be docked from Serco includes a large fine for failing to keep prison violence to levels set out in its contract with government.

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.