Chris Sutton believes assistant referee Constantine Hatzidakis should be banned for his role in the alleged incident with Liverpool defender Andy Robertson.
It appeared that the 38-year-old official raised his elbow and struck the Scotland captain in the face at the beginning of half-time during Sunday's draw with Arsenal, leaving the 29-year-old 'apoplectic'. As a result, the Liverpool players protested with referee Paul Tierney as coach Vitor Matos also made his feelings known during the interval but Robertson was cautioned for his involvement.
The Professional Game Match Officials Limited (PGMOL) released a statement on the incident during the rip-roaring game at Anfield which saw the Reds denied a famous comeback by Gunners goalkeeper Aaron Ramsdale.
