Caught on camera: Arteta and Klopp square off on touchline, almost end up fighting

The first half between Liverpool and Arsenal started slow but kicked into gear after a confrontation off the field.

Sadio Mane and Takehiro Tomiyasu got into a challenge, with Mikel Arteta taking exception to Mane's conduct.

His complaining clearly got to Klopp, who didn't back down from letting the Arsenal manager know how he felt.

The duo then got into a heated shouting match that saw them both get yellow carded.

Here's a look at the episode: