Claims about anti-competitive practices in New Zealand's plasterboard market have been added to by a former Christchurch building sector worker who says he has first-hand experience of it.

An order preventing deconstruction of ChristChurch Cathedral has just been lifted by the High Court.

The civil engineer behind Christchurch's CTV building is no longer under investigation - after an inquiry was dropped upon legal advice.

Former Hillmorton High School student Dr Karleen Edwards is returning home to lead the Christchurch City Council after a high-profile career in the Australasian health sector.

Christchurch City Council has underestimated its share of rebuilding the earthquake-shattered city by at least $534 million, according to a new report out today.

Heritage campaigners are demanding to know why the owners of Christ Church Cathedral want it demolished, when they have no plans and no funds for a new one.

Firefighters, police officers, Urban Search and Rescue experts, and courageous passersby risked life and limb to drag several survivors from the CTV Building.

Christchurch has been shaken by a shallow magnitude 4.0 earthquake this morning.

Derelict buildings are scary. I know this from experience.

The ongoing impacts of the Canterbury earthquakes are disproportionately impacting children from low-income families, with health problems and family violence on the rise, a new report says.

PM John Key has today seen firsthand the damage wrought by the bad weather that has hammered Christchurch, telling flooded business owners to "hang in there".

'We're obviously going to review the sandbagging issue,' says Christchurch's mayor amid residents' complaints the council failed to handle yesterday's floods.

There were times when whistles should have been blown and loudly, but were not, writes Brian Rudman. Is it any wonder the police are taking their time?

The families of those killed in the collapse of the CTV building in the February 2011 Canterbury earthquake are calling on the Government to review legislation around corporate manslaughter.

A briefing will be held today with families of Japanese victims of the Canterbury Television building collapse during the devastating earthquake three years ago, Prime Minister John Key says.

A minute's silence has been observed for the 185 people who were killed in the 2011 Canterbury earthquake.

A minute's silence has been observed for the 185 people who were killed in the 2011 Canterbury earthquake, as hundreds gathered to mark the third anniversary of the tragedy.

Nick Walls knows the slow pace of recovery better than anyone.

February 22 is Bonnie Singh's mother's birthday. But for the past three years there has been no celebration.

It's been three years since the magnitude 7.1 earthquake on September 4th 2010, the devastation and trauma has changed the very fabric of life for Cantabrians and the city of Christchurch forever.

It's been four years since devastating earthquakes changed the very fabric of life for Cantabrians and the city of Christchurch forever. This is the second installment of a two-part series.

In this first installment of a two part series, nzherald.co.nz remembers the devastation and trauma that changed the fabric of life for Cantabrians and the city of Christchurch forever.