Liverpool manager Jurgen Klopp declared Manchester City captain Vincent Kompany should have been sent off for his flying first half tackle on Mohamed Salah, after his side slipped to their first defeat of the Premier League season at the Etihad Stadium.
Leroy Sane's second half goal handed City a 2-1 win and trimmed the gap between Liverpool and City at the top to just four points, yet it was Kompany's first half challenge that was on Klopp's mind afterwards.
"I really like Vincent Kompany but how on earth is that not a red card," questioned Klopp.
"He is last man and he goes in. If he hits Mo (Salah) more he is out for the season. It is not easy for the ref and he may not see it how I see it. It is not easy for the ref and he may not see it how I see it.
"A player makes a decision, he took the risk. If Mo in the moment doesn't jump over him, really bad. Do we need blood? If Mo can go through, come on, what happens here.
"When we were here last year (with Sadio Mane), we got a red card. Did he want it? No, but it was a red card. You can make of this what you want. Look at this and make your own opinion."
Kompany insisted his controversial first half challenge on Salah was not worthy of a sending off, despite replays suggesting he was fortunate to receive a yellow card from referee Anthony Taylor after two-footed lunge on the Liverpool forward.
"I thought it was a great challenge, was it not?" he asked with a smile. "I got the ball, a little bit of the man but it wasn't naughty. I didn't try to injure him. It was that or let him go through on goal and the decision was made very quickly in my head."