Liverpool boss Jurgen Klopp has apologised after he reacted to a Swansea City fan's heckles during the Reds' 1-0 defeat to the Swans at the Liberty Stadium on Monday.
Football writer Chris Wathan reported on the moment in the second half on Twitter:
According to Sky Sports' Stephen Mills and Jack Wilkinson, Klopp said:
"He was shouting at me all the time. Sorry, I reacted one time, I remind myself I am a human being and not a professional manager who takes that all the time and they can say whatever they want.