The 44-year-old was apprehended on suspicion of widespread assault and conditionally bailed till July 14.
Seven different folks had been arrested for alleged offences together with assaulting a police officer, racially or religiously aggravated harassment and drug possession.
READ MORE: Choice made on whether or not Fownes Lodge broke planning guidelines by housing asylum seekers
The ‘Cease The Boats’ protest on Saturday attracted an estimated 300 folks whereas a counter-protest by Carnival In opposition to Fascism drew round 4,000 attendees, based on Sussex Police.
A bunch known as South East Patriots organised the anti-immigration march calling for tighter border controls and the deportation of unlawful immigrants.
Bella Sankey, chief of Brighton & Hove Metropolis Council, mentioned “we completely reject the hatred and division of the far-right.”