Arsenal boss Mikel Arteta said "a beautiful game was destroyed" as his side suffered a damaging blow in their top-four hopes with a north London derby defeat at Tottenham.
Tottenham's opener came from the penalty spot before Arsenal had Rob Holding sent off.
"If I say what I think I am suspended for six months," said Arteta when asked about the officiating.
"I don't know how to lie so I prefer not to say what I think. I cannot say what I think.
"I am not unhappy with my players. I am proud of my players.