Sunderland manager Sam Allardyce will escape punishment for calling Liverpool boss Jurgen Klopp a "soft German".
Police had to step in to calm the situation in the opposing dug-outs with Liverpool staff angry at Jermaine Lens' high tackle on Mamadou Sakho.
Lens was booked but Klopp believed he should have been sent off, speaking later at a press conference Klopp said that the comments were "not a problem".
"Given the context of the comments it's not a matter we'll be pursuing," the FA said in a statement.
Speaking at a press conference at midday, Klopp said: "Not a problem.
"A lot of people have said worse things about me, it's not the first time.
"[Sakho] is still alive and everything is OK.
"I have no arguments with the Sunderland bench and I have nothing else to say."

Speaking after the game on Wednesday night Klopp had said: "This is a foul. That is not allowed. For me that is a red card, finished.
"So my staff were emotional, the staff of Sunderland were emotional. If you look on your ticket, it is included. If nothing happens on the pitch, you can watch the bench."
Allardyce responded by later saying: "He’s a soft German if that’s a red card. It’s a yellow, a foul.
"There was some foul and abusive language towards my staff that I didn’t like. After the end, it was alright though, because we all shook hands and got on with it, which is what you’ve got to do."
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