Following an investigation that commenced Friday night, Merseyside Police confirmed on Saturday afternoon that a 47-year-old local man has been arrested on suspicion of a racially aggravated public order offence linked to the incident.
The man was identified and promptly ejected from the stadium at the time.
"We have arrested a man following reports racist abuse was directed towards Bournemouth player Antoine Semenyo during his team's Premier League fixture versus Liverpool at Anfield on Friday 15 August, " a statement from Liverpool's local police force
"The suspect's identity was confirmed and he was removed from the ground following the report.
"A 47-year-old man from Liverpool has today (Saturday 16 August) been arrested on suspicion of a racially aggravated public order offence. He has been taken into custody to be interviewed."