Former All Blacks full back Christian Cullen is warning the top contenders for the Rugby World Cup to beware after Ireland's surprise win over Australia.
Ireland beat the Wallabies 15-6 at Eden Park on Saturday night.
Cullen says he predicted Ireland would cause an upset.
He says it should be a warning shot to the three main contenders, the defending champions, South Africa, the All Blacks and the Wallabies.
The All Blacks will face France, their biggest threat in Pool A, next Saturday night agt Eden Park.