The pair came face-to-face on the touchline in the 32nd minute after an aerial battle between Sadio Mane and Takehiro Tomiyasu left the latter on the deck.
Arteta completely lost his temper and had to at one point be physically restrained by his assistant as he threatened to enter Klopp's technical area. Both managers were eventually booked by referee
Mikel Arteta and Jurgen Klopp went head-to-head on the touchline during their side's clash
Once things cooled down, Arteta (right) and Klopp (left) were both booked by the referee
When asked what prompted his reaction, Arteta told Sky Sports: 'Nothing.