"Entire blocks" of the Christchurch CBD will need to be demolished in the wake of the earthquake, Christchurch Mayor Bob Parker says.

The death toll from the Christchurch earthquake now stands at 123 and is expected to rise further today, police say.

There are many ways that you can help in the wake of yesterday's devastating Christchurch earthquake.

Bricklayer's daughter on dad's death: It was "bloody bricks" that killed him. "He would have found that funny."

A historic 155-year-old Christchurch mansion was reduced to a pile of dust and splintered wood today while the owner and his family looked on with glassy eyes.

Ann Bodkin kept up hope during her 26 hours entombed in the PGC building by thinking over and over 'I'm alive. I'm okay'.

Amid the tragedy and debris it feels harsh to talk about economics and daunting to talk about getting Christchurch back to business.

The doctors who amputated a man's legs to save him from almost certain death worked in the dark.

Looking at what remains of the six-storey building I can't believe my eyes as the first survivor is pulled out.

Overwhelming offers of help for Christchurch are impeding the systems of non-government organisations trying to help there, says Social Development Minister Paula Bennett.

A Christchurch man whose house was condemned after Tuesday's earthquake says it's fortunate no one was home at the time.

An Australian army field hospital is set to be turned into a community health centre as authorities work to prevent a medical crisis in Christchurch.

Misery in the form of illness struck earthquake-ravaged Christchurch this afternoon, with the closure of one of the three welfare centres in the city.

The level of liquefaction after Tuesday's 6.3 magnitude aftershock dwarfs the amount caused by the original earthquake that hit Christchurch in September, Mayor Bob Parker says.

A young bride-to-be who narrowly escaped tragedy in the PGC building in Tuesday's deadly earthquake has tied the knot today.