Liverpool manager Jurgen Klopp headed straight for the centre circle to speak with the match officials after watching his side play out a 2-2 draw with Tottenham Hotspur.
There were a number of controversial decisions in the match which went against the Reds, namely Harry Kane's late challenge on Andy Robertson which was judged only to be a yellow card.
Robertson then saw red himself in the second-half for a swipe on Spurs defender Emerson Royal, after a pitchside VAR check from referee Paul Tierney prompted him to upgrade the initial yellow card he had been brandished.
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Liverpool were also denied what looked a certain penalty in the opening 45 minutes when Emerson appeared to push Diogo Jota off the ball as Spurs survived a second scare in the match.
Emotional at the full-time whistle, Klopp confronted Tierney on the pitch and questioned his decision-making regarding the key decisions in the game.
And parts of the conversation were picked up by the Sky cameras.
The Liverpool boss could be heard saying: "I have no problem with any other referees, only you
"If you don't think this is a penalty, you never played football."
When speaking to Sky Sports after the game, Klopp revealed that Tierney told him Jota was not awarded a spot-kick due to stopping his run inside the box in the hope of winning a penalty.
This was the third match of the current campaign involving Liverpool that Tierney has overseen, having already officiated the Reds' recent derby win at Goodison Park and 2-2 draw with Manchester City back in October.
