Exeter Chiefs and Wales prop Craig Mitchell has been arrested following an incident in a Brisbane bar after the first Test.
Mitchell admitted aggravated assault occasioning bodily harm after hitting Cian Barry following the first Test last weekend in the Normanby Hotel.
The tighthead prop is now due for sentencing in court on Friday.
Mitchell recently played in Wales' two-test tour of Japan and was in Australia on vacation when the incident happened.
He has already won 15 caps for his country and moved in 2011 from the Ospreys to join Exeter in the Aviva Premiership.
Exeter and the Welsh Rugby Union are yet to comment on the situation.