zone has been planned for Cathedral Square.

* A transtasman netball league match between the Canterbury Tactix and Northern Mystics that was scheduled to be played at Christchurch on Sunday has been postponed.

League organisers and Netball New Zealand will now work through arrangements to reschedule the game for a later date.

Quake causes major damage to AMI Stadium
It's understood the Crusaders will have to find a new home for the remainder of the Super Rugby season.

Liquefaction, after yesterday's devastating earthquake, has caused major damage to the playing surface with bubbles of up to half a metre high surfacing all over the AMI Stadium playing field.

It could take at least five and a half months before it's capable of hosting a game of rugby.

The Crusaders are due to host seven Superrugby matches at AMI Stadium this season, including a match next Friday night against the Waratahs.

Sydney's Daily Telegraph has reported that Sydney Football Stadium has been offered to host the Waratah's clash if AMI Stadium is deemed unsafe.

Prime Minster John Key is hopeful that the city of Christchurch can recover in time to host its part of the Rugby World in September and October.

"If we can host the Rugby World Cup as we intend to in Christchurch I would like to do that, Key said at a press conference in Wellington this morning.

"It's some way into the future (but) it's a very important city to New Zealand.

"It would be a demonstration Christchurch is back up on its feet."

Christchurch is down to host five pool matches and two-quarters, including