RBS Six Nations: Wales 16-21 England
Wales lost their tournament opener 16-21 against England.
Wales' medical staff to use replays
Wales medical staff will have access to instant video replays during the rest of this season's RBS 6 Nations Championship.
It follows incidents involving wing George North, who suffered two blows to the head during last Friday's Six Nations opener against England in Cardiff.
The Wales star took an accidental boot to the head from England lock Dave Attwood in the first-half, and he was temporarily replaced by Liam Williams while he underwent mandatory concussion assessment.
North subsequently returned to the field, but he then clashed heads with team-mate Richard Hibbard during the second-half in what appeared to be a worse incident, which subsequently attracted attention from rugby union's global governing body World Rugby.
North did not go off a second time, playing on as England started their Six Nations campaign with a 21-16 victory.
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North 'should have been removed' after head blow
George North shouldn't have been allowed to continue playing after the second of two blows to his head, according to World Rugby.
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World Rugby ask if concussion 'protocols' were followed
World Rugby seek confirmation from the WRU that concussion protocols 'were appropriately followed' after George North suffers head injury
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Wales and England coaches react to last night's result
Wales coach Warren Gatland rues second half 'inaccuracy' as England win in Cardiff, while Andy Farrell says his side could have won by more