Harry Kane: Jose Mourinho 'doesn't know' how long Tottenham striker will be out for

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Tottenham Hotspur manager Jose Mourinho says he "doesn't know" how long striker Harry Kane could be sidelined for with a hamstring injury.

Kane, 26, suffered the injury during Tottenham's defeat at Southampton on New Year's Day and was initially ruled out until April after the club said he needs surgery.

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