Wales have suffered a new injury setback ahead of their Six Nations defence after influential lock Bradley Davies damaged ankle ligaments.
The 25-year-old sustained the injury while training with the Cardiff Blues and will now undergo an operation - with the length of his recovery period not yet certain.
"Bradley will have an operation early next week and an accurate timescale on his recovery will be assessed after the operation," the club said in a statement.
The news is the latest blow for Wales coach Warren Gatland, who will wait on centre Ashley Beck after he picked up a similar problem. Wales kick off their campaign against Ireland on February 2.
Ospreys star Beck, 22, sustained ankle ligament damage during the RaboDirect PRO12 game against Newport Gwent Dragons on New Year's Eve and is expected to be sidelined until February.
"Ashley suffered a significant ligament injury to his ankle during the New Year's Eve fixture at Rodney Parade," Ospreys head physiotherapist Chris Towers said.
"We have conducted investigations over the course of the last week to determine the full extent of the ligament damage and plan his rehabilitation effectively.
"Based on the advice received, we are currently treating this as a six-eight week injury so would expect to see him back in action by the end of February."
Although Jonathan Davies and Jamie Roberts were always likely to be Warren Gatland's first-choice centre pairing, Beck has quickly established himself as a valuable member of the Wales squad.
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