Luiz pulled the shirt of the Egyptian in the penalty area and conceded a penalty which the Egyptian cooly converted.
It was not a good afternoon for Luiz who also picked up a yellow card and was easily beaten by Salah in the lead up to his second and Liverpool’s third goal of the game.
Luiz told talkSPORT: “I spoke with Mo [Salah] and he said ‘I didn’t feel you touch me, that’s why I didn’t go down to the floor’.
“But now with the VAR, you cannot see the power so it is difficult for the referees.
“He saw the shirt like that, but I don’t know.
“It’s difficult for them so I cannot complain with their efforts because it is difficult for them too.
“If you play with an extra-large shirt now, there could be a penalty every time.
“It’s interpretation, so I think if you pull someone with power and you change his strength to go to the ball, it’s different.
“It was just a reflex but that’s it, it made the penalty and after that he gave me the yellow.”