First winger George North was carried off the pitch on a stretcher during the Pro12 clash between the Scarlets and Ulster.
His injury gives Wales a worry ahead of their Six Nations fixture against Ireland next month.
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Generally cloudy with fairly persistent rain through this evening, but the cloud and rain will break up overnight with drier conditions.
Wales fans are continuing to celebrate yesterday's historic Euro 2016 win over Northern Ireland, which sees them make the quarter finals.
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