Police have arrested three girls and a woman following an alleged affray at Altona North.
Detectives have been told a 14-year-old girl and her friends were approached by five females at a pier near the Esplanade and Pier Street on Wednesday, February 28, about 4.30pm.
It is alleged the group assaulted the girl before an unknown male intervened.
The girl was taken to hospital with non-life-threatening injuries.
An 18-year-old Flemington woman has been charged with affray, intentionally cause injury, recklessly cause injury and assault by kicking.
A 14-year-old Point Cook girl was charged with affray intentionally cause injury, recklessly cause injury and assault by kicking.
Both will face court at a later date.
A 14-year-old Kings Park girl and a 14-year-old St Albans girl were released pending summons for affray, intentionally cause injury, recklessly cause injury and assault by kicking.
The investigation into the incident is ongoing.
Anyone with information can contact Crime Stoppers on 1800 333 000 or www.crimestoppersvic.com.au.