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The assistant referee appeared to elbow Liverpool full-back Robertson just after the half-time whistle in the 2-2 draw with Arsenal.
He struck Andy Robertson in the jaw.
Former top referee Keith Hackett rules on this controversial Brentford v Newcastle incident.
Constantine Hatzidakis will not be involved in any matches while the FA investigates an incident in which he appeared to elbow Liverpool's Andy Robertson.
The assistant referee appeared to elbow Liverpool full-back Robertson just after the half-time whistle in the 2-2 draw with Arsenal.