Homicide Squad detectives have another person in relation to the death of a man in Seaford on Wednesday evening.
The 21-year-old Somers woman's arrest comes after two other people were charged overnight in relation to the incident.
She remains in police custody and the investigation is ongoing.
Emergency services were called to Station Street about 6.55pm on 25 November following reports a man had been stabbed.
A 26-year-old Langwarrin man was treated by paramedics but died at the scene.
A 19-year-old Somers man has been charged with murder.
He appeared at Melbourne Magistrates' Court today where he was further remanded to 25 March 2021 for a committal mention hearing.
A 17-year-old male from Frankston, was yesterday charged with affray, intentionally cause injury and commit offences whilst on bail.
He is currently before a Children's Court.
Police are still searching for another man in relation to the incident and urge anyone with information to contact Crime Stoppers on 1800 333 000 or submit a confidential crime report at www.crimestoppersvic.com.au
