There was an extraordinary moment in the seconds after Diogo Jota had scored the only goal of this Merseyside derby, as the home supporters seethed and writhed, bodies tumbling, a wave of noise barrelling around the Anfield stands.
At which point a lone middle-aged man could be seen emerging from the seats, waving his fists in the direction of what must have been the fourth official, making wild but oddly precise spectacles gestures with his fingers, all the while being hurled back by the combined efforts of three men in orange jackets.
