Liverpool defender Andy Robertson was involved in what appeared to be a tense exchange with a fan while signing shirts on the club's pre-season tour.
The Reds are currently in Singapore as they prepare for a fresh pursuit of the Premier League title during the upcoming season.
They recorded a commanding 4-0 win over newly-relegated Leicester on Sunday, with Darwin Nunez and Diogo Jota both once again getting on the scoresheet.
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On Wednesday, the Reds face a bigger test when they take on Bayern Munich.
Both matches are being held at the Singapore National Stadium - which is among the top 10 most expensive football stadiums ever built.
The Leicester clash didn't quite attract the crowd that the Reds may have expected, however, with 28,597 fans inside the 55,000-capacity stadium.
Interest is certainly there, though, with Singapore-based fans - and those making the trip to the country -desperate to meet their heroes at the stadium.
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And when Robertson was among the Liverpool players to approach one of the stands, he obliged in signing shirts and autographs - although did rebuke one fan.
Robertson rebukes fan on Liverpool tour
The Scotland captain walked towards the stand to be greeted by a huge roar from those - largely Liverpool fans - in attendance.
The left-back got to work signing shirts, autograph sheets and pretty much anything that he was offered.
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But there was one moment that saw Robertson tell off one overly-zealous spectator.
After one fan shouted at the defender, he responded by clearly shouting back: "No, stop f***ing pushing!" The fan then appeared to be called back by their fellow supporters.
You can watch the clip below.
Robertson is set to continue as the Reds' first-choice left-back this season as he looks to help the side back into the Champions League qualification places.
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He will be playing under a new captain next term, with Virgil van Dijk taking the armband following i's departure to Al Ittihad.
And Liverpool academy graduate Trent Alexander-Arnold is the club's new vice-captain, with Klopp personally giving him the news during a training session in Singapore. You can watch Alexander-Arnold's emotional reaction to being told of his latest achievement here.
Topics: Andy Robertson, Liverpool, Premier League