Tottenham forward Son Heung-min came off with a suspected broken arm during South Korea's 3-2 World Cup qualification defeat to Qatar on Tuesday.

Son was substituted in the 34th minute in Doha after landing awkwardly following an aerial challenge with Qatar's Mohammed Musa.

The 24-year-old was left clutching his lower right forearm and looked in serious pain as he was then escorted off the pitch.

Tottenham are yet to learn the full extent of Son's injury from South Korea's medical staff but he is unlikely to be available for the start of Mauricio Pochettino's pre-season on July 3.

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