Two men sustained cuts to their heads after a fight at a Werribee licenced premises on February 5.
Police said investigators have been told that a number of people were involved in a fight at the licenced premises on Watton Street, about 9.30pm.
Afterwards, two men were treated for cuts to their heads.
Police are yet to establish how the men sustained their injuries.
A 19-year-old Hoppers Crossing man was arrested that evening but released pending further inquiries.
The investigation into the incident continues.
