Former Tottenham midfielder Ryan Mason has criticised Wales' handling of Daniel James' head knock with the winger playing on despite laying motionless on the pitch.
The Manchester United star was involved in a collision with Croatia's Domagoj Vida during Wales' 1-1 draw at Cardiff City Stadium on Sunday.
Players and the referee immediately asked for medical staff to attend the incident as James lay on the field with his eyes closed.
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The 21-year-old was allowed to continue playing after leaving the field for treatment, in a decision which angered Mason.