Paul Robinson has tipped Tottenham forward Son Heung-min to be sidelined for a minimum of three weeks with a hamstring injury.

The former White Hart Lane number one, speaking exclusively to Football Insider, said the 28-year-old’s prospective absence is “disastrous” heading in the business end of the campaign.

Son was forced off through injury after just 19 minutes of Tottenham’s 2-1 loss at Arsenal on Sunday.

Jose Mourinho told club media he was unsure as to how long the winger would be out but confirmed that it is “muscular”.

The Korea international has been ever-present for Spurs in the Premier League this season, with his 41 appearances across all competitions yielding 18 goals and 16 assists.

When asked for his assessment of Son’s injury, Robinson told Football Insider correspondent Dylan Childs: “It is disastrous for Spurs.

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“Whenever Kane or Son is out it is really bad news.

“It is obviously a bad one. He pulled up holding his hamstring so he will be out for a minimum of three weeks and that is just if it’s a tweak.

“It could have a big impact on their top-four hopes.”

Speaking after the North London derby, Mourinho said: “I don’t know how long it is. It’s muscular. Muscular is always not easy. He’s a guy who normally recovers very well from any kind of injury.

“It’s an accumulation of matches. When you are in so many competitions, this is something that can happen.”

In other news, Tottenham will to listen to offers for 24-year-old this summer as Mendes lines up a new centre-half.