Wales head coach Warren Gatland hit out at New Zealand hooker Andrew Hore over the "cheap shot" that hospitalised Bradley Davies during the All Blacks' 33-10 win in Cardiff.
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Cardiff Blues second row Davies did not see out the opening two minutes of the Millennium Stadium encounter after being laid out by Hore's punch from behind.
The incident was missed by referee Craig Joubert and his assistants, but citing commissioner Mike Rafter is likely to take a dim view of the ugly incident.
When asked about Hore's misdemeanour, Gatland said: "You can make your own conclusions from that. I have not had a good look at it but I will leave it to the citing commissioner to have a look at it.
"It does not look the best in the world, it looks like he has been caught from behind, I don't know whether it is a swinging arm or not.
"You do not associate the All Blacks as being a side that resort to cheap shots and I hope that is not the case and that maybe it was an accident.
"Bradley has gone down in a heap, we had to admit him to hospital, he doesn't quite know where he is at but fingers crossed he recovers.
"He was a big loss to us and it took us a bit of time to cope."
New Zealand head coach Steve Hansen said he had not seen the incident properly, but expects Hore to be cited.
"To be honest all I saw was a quick replay of it and it looked like he was going to clean out a Welshman in front of him," he said.
"It looked like he went to get him out of the way and clearly something has happened during that, but until I see it properly I cannot really say I cannot say anything, but it is unfortunate that it has happened and no doubt here will be more to be talked about."
Hansen added: "He will probably be cited."
The incident took some of the gloss off a clinical New Zealand performance as they ruthlessly illustrated why there are world champions.
The registered tries through Liam Messam, Tony Woodcock and Luke Romano, while fly-half Aaron Cruden ensured Dan Carter was not missed with a faultless display and an 18-point contribution.
Wales, having trailed 26-0 early in the second half, managed to register consolation tries through Scott Williams from a 15-man line-out - something Gatland used while in charge of Irish province Connacht in the mid 1990s - and Alex Cuthbert.
And while the Six Nations champions were considerably better than in miserable defeats to Argentina and Samoa, they were simply outclassed.
But Wales also contributed to their own downfall by turning down two kickable early penalties prior to New Zealand's first try to go for the corner, which backfired when fly-half Rhys Priestland failed to find touch.
And former Wales boss Hansen slated the decisions as "crazy" while also having a dig at Gatland, who returned to his Wales role this week after being on Lions duty.
Hansen said: "It was crazy. Either they did not think we would score many points or they felt they could score often. I guess they could try to vindicate what they were trying to do with their all-in line-out which they will be happy with, I guess.
"We saw a game last week, England against Australia, where they did not take them either and in the end it probably cost them the game.
"Today, I don't know if their kicker would have kicked the goals but the thing is points on the board make the game a lot tougher mentally and it applies pressure. I don't know you'll have to ask the messiah what he thinks when he comes in."
Gatland, for his part, did not criticise his players, but admitted on reflection they should have taken the points.
"I sometimes feel when you play them (New Zealand) you have to take some opportunities. We did not get into positions to do that in the first half and obviously in the second half we did and put them under pressure.
"The way they operate, and they are very good at it, is if they are under pressure they are happy to give away a penalty and three points and stop your momentum.
"That is why they are such a good side as you may not be back in their 22 for 15 minutes, during which time they can potentially score a couple of tries.
"That was the plan but we did not execute as well as we could.
"We will go back and look at it and say, 'should we have taken the three points?' It was only 6-0 and still pretty close when we decided to kick for the corner."
As well as Davies, Wales will wait for updates on the condition of prop Aaron Jarvis (knee), centre Jamie Roberts (hip) and Ryan Jones (concussion) ahead of their final autumn fixture against Australia.
But Gatland will at least be able to call on Mike Phillips and Gethin Jenkins against the Wallabies after confirming an agreement over their availability has been reached with their clubs in France
"I think they are all available except for James Hook," he said.