Thousands of Liverpool fans vented their frustration, branding the decision a disgrace and another VAR farce.
@Macxa47 wrote: "Liverpool have been robbed, how is that not a handball😂😂."
@AnfieldAgenda wrote: "It's a handball, but only if it's outside the box apparently. F*ck right off."
@SamueILFC wrote: "That is a penalty. We have witnessed corruption.
Former English referee Mark Clattenburg also thought it was a handball, but some of the fans were not so sure about that.
@JajaBreed wrote: "It's actually laughable to hear Mark Clattenburg, a former FA referee at that, insist that Tchouameni's hands were not in a natural position. Absolutely wild that."
@oliviashley said: "Just shows you the absolute state of English officiating when you’ve got Clattenburg talking sh*te in the background n telling everyone he thinks that’s a penalty."
She was seconded by JHarrisCFC, who wrote: "Mark Clattenburg is a clown, what the f*ck does he mean "it's not a natural position?"