Wales wing Alex Cuthbert has been ruled out for up to six weeks with a hamstring tear sustained in Saturday's Six Nations victory over England.
Cuthbert, who scored two tries in the 30-3 rout at the Millennium Stadium, will miss at least four of the Cardiff Blues' remaining five RaboDirect PRO 12 matches.
If the injury takes six weeks to heal, he will also be sidelined for their final game against Ulster on May 3.
"Alex suffered a grade two hamstring strain in the first 30 minutes of the match against England. He is expected to be out for between four to six weeks," read a statement released by the Blues.
Cuthbert is expected to tour with the British & Irish Lions this summer and while the injury will not affect his chances of travelling to Australia, it will leave him short of match fitness ahead of the first game against the Barbarians in Hong Kong on June 1.
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