Melbourne Crime Investigation Unit detectives have charged a fourth man following an alleged affray and assaults which occurred in Melbourne on Sunday.
Police will allege the quartet assaulted another group in Kings Domain about 5pm on 31 August.
This evening, officers on patrol arrested a man on Sunnyside Road in Mount Eliza in relation to the incident.
The 29-year-old man was interviewed by detectives, and has since been charged with violent disorder, affray, unlawful assault and discharge missile.
The man from Rye will appear before Melbourne Magistrates' Court on 4 September.
Three other men, aged 32, 20 and 23, were arrested and charged by detectives on 2 September.
Detectives continue to investigate the incident and urge anyone with any information or footage that may assist police to contact Crime Stoppers on 1800 333 000 or to make a report at www.crimestoppersvic.com.au.