Leigh Halfpenny, who dislocated his right shoulder against England on Sunday, will undergo surgery tomorrow.
He is expected to be out for up to four months, the WRU says.
Rhys Webb has now been released from the National Squad following his ankle injury, and will be assessed by a medical team at the Ospreys.
More top news
The Royal London One-Day Cup match being played in Cardiff has been abandoned due to a 'dangerous pitch'.
A series of crashes on the A470 have led to traffic disruption
A largely dry and warm afternoon, but a muggy night to come with showery outbreaks.