Mauricio Pochettino slammed referee Michael Oliver for his "unbelievable" decision to book Son Heung-min for an apparent dive during Tottenham's 3-1 win over Leicester City.
Although Spurs ultimately ran out comfortable victors, they arguably could have won by even more had Son been awarded a penalty in the 16th minute.
The South Korea international went tumbling in the area after an attempted tackle by Harry Maguire, but referee Oliver showed him a yellow card after deeming he had dived.
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It had little impact on the end result, even if the scoreline flattered Spurs, but manager Pochettino was infuriated by the incident.