Son Heung-min issued a ruthless put-down when he was quizzed about recent speculation over Harry Kane’s future at Tottenham.
Son, 28, is currently on international duty with South Korea and was pressed on his Spurs teammate’s next move.
Last month, Kane informed the club that he would like to leave this summer, prompting Manchester City, Manchester United and Chelsea to submit enquiries over his services.
But it is by no means a forgone conclusion the 27-year-old will depart, as Spurs chairman Daniel Levy has set a hefty price tag believed to be north of £120million.
And Son was keen to point out Kane is still a Spurs player when asked about transfer speculation this week.
The winger hit back with: “Has Kane moved already? Everything is not decided. Rather than worrying about his transfer, I am doing my best at Tottenham.
“I want to focus on the national team and Tottenham. Maybe Kane is doing the same, he is busy preparing for the Euros.”
Son also had little to say regarding Spurs’ ongoing search for a replacement for Jose Mourinho, who was sacked in April.
The north London club are closing in on appointing Antonio Conte, but Son said: “I can’t talk about that subject.
“Conte doesn’t arrive yet, I have to be careful. It’s not confirmed, and I don’t know if Spurs is finding new coach or not. I will do my best in any situation in my position.”
Conte’s appointment is said to be dependant on whether he receives assurances of Kane staying at the club.
Breaking his transfer silence last month, Kane acknowledged he will need to have showdown talks with Levy regarding his potential exit.
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“I think there is definitely a conversation to be had,” said Kane. “For sure it’s a moment where I have to reflect and have a good honest conversation with the chairman.
“I’m not sure how that conversation will go. He might want to sell me. He might be thinking ‘if I can get £100million for you, then why not?’ I’m not going to be worth that for the next two or three years.”
The England captain added: “I don’t want to come to the end of my career and have any regrets. I want to be the best I can be.
“I never said I’d stay at Spurs for the rest of my career and I’ve never said I’d leave Spurs. People might say, ‘he’s desperate for trophies, he needs trophies’, but I still feel like I’ve still got almost another career to play.
“I’ve got seven, eight years, kind of what I’ve already had in the Premier League. So I’m not rushing anything, I’m not desperate to do anything.”