The referee didn't initially give the penalty, but was persuaded to change his mind by his assistant after a minute of consultation.
Harry Kane eventually scored in stoppage-time to cancel out Salah's second goal.
Two penalties awarded barely 20 minutes apart allowed Mauricio Pochettino's team to share the spoils in a four-goal thriller which left Anfield incensed at the final whistle.
"I don't think that is a penalty, same with the first one".
"When they are right and show character I think it is right to congratulate them because it is a very hard job for them".
Liverpool's players were sharper and hungrier in the first half, swarming all over their opponents and forcing mistakes.
"No doubt it's important to congratulate him on 100 Premier League goals, it's fantastic for him", Pochettino said.
Loris Karius of Liverpool and teammate Andy Robertson confront referee Jonathan Moss.More news: Far-right extremist arrested for shooting rampage in central Italy
More news: The Exxon Mobil Corporation (NYSE:XOM) Stake Boosted by iAB Financial Bank
More news: Good thing fans are inside for coldest Super Bowl Sunday
Jon Moss had waved play on before Smart's intervention and had also consulted the assistant over another penalty for the visitors 10 minutes earlier.
"I was nervous before the second penalty".
LIVERPOOL, England (AP) - There couldn't have been a more dramatic way for Harry Kane to bring up 100 goals in the Premier League.
"The softest touch in the whole game decides the game", Klopp said.
Kane's tame penalty was easily saved by Karius after the England striker had been felled in the box before Salah danced his way past two Spurs defenders and fired into the net to score what looked likely to be the victor. However, the Croatian's involvement made Kane passive, which according to the FA rules, doesn't hold good for being adjudged offside. Kane's through ball created an opening for Son Heung-min, who in turn found Christian Eriksen but his shot was saved by Karius who wasn't aware that the offside flag had been raised.
Kenedy swung a low delivery into the penalty area that Milivojevic missed and when Martin Kelly failed to track Diame's run, the Senegal midfielder was free to finish from close range. Virgil sees him at the last moment, stops the movement but still touches him.
Liverpool players argue the awarding of the second penalty.
But Erik Lamela, a second-half introduction, went down easily under a brush from Van Dijk and Moss pointed to the spot once more, again after a lengthy discussion with his assistant.