Police are expected to interview four England rugby players at the centre of misconduct allegations at an Auckland hotel at the weekend.

It is understood Auckland detectives will speak to the players in Christchurch, where they are preparing for Saturday's second Test against the All Blacks at AMI Stadium.

Police are investigating an incident involving England players in the Hilton Hotel early on Sunday, hours after the All Blacks won the first Test 37-20.

Police have refused to comment on the incident, other than to say it was of a serious nature.

A 22-year-old woman, one of several who went back to the Hilton with English players on Saturday night and who wanted to only be known as "Angel Barbie", told The New Zealand Herald she was unsure what the allegation was.

She had met the players at the Pony Club on Customs Street where they had been drinking with some of the All Blacks.

On Sunday morning the women slept in while the team went to training, she said.

When they came back, about four players talked their way into coming into the room she was in, and pulled her blanket off, exposing her semi-naked body.

They then ran off down the hallway with it.

She said she thought they were just playing "silly buggers" and going around the different rooms seeing who was with who.

Hilton housekeeping staff had told the men off, and they had returned the duvet.

The incident was humorous, but she could understand how someone could have felt "violated," she said.

No formal complaint has yet been made to the police.

Police spokeswoman Noreen Hegarty said unless someone was able to corroborate the allegation it could end up "going nowhere".

Hilton management have refused to comment.

England's stand-in coach Rob Andrew told a media conference in Christchurch on Wednesday the team had been informed by Auckland police of an allegation against four members of the squad.

"Whilst no formal complaint has been made, we are co-operating with the police in their inquiries," he said.

"The players concerned have the complete support of all players and management.

"I'm sure you will understand and respect the fact that no further comment can be made or questions asked of either myself or the players on this matter."

Andrew refused to take questions.

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