Eric Dier's equaliser and celebration led to ugly scenes in the north London derby and Mauricio Pochettino was not impressed.
Mauricio Pochettino admitted his Tottenham players should not have got involved in a brawl during their 4-2 Premier League defeat at Arsenal on Sunday.
Spurs had trailed 1-0 following Pierre Emerick-Aubameyang's early penalty but hit back through Eric Dier's headed equaliser.
Dier's exuberant celebrations in front of the home supporters prompted a furious reaction from several Arsenal substitutes, leading to heated clashes on the sidelines, which Pochettino raced to intervene in.
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"At 1-1 there was a massive fight, but I didn't know what was going on," he said.