A third person has been arrested over the stabbing death of a man in Melbourne.
Ricky Rowlands, 46, was found with serious injuries at Parkville on Saturday night following a fight in the CBD.
He died in hospital.
Benjamin McCartin, 40, was arrested at Carlton on Wednesday afternoon after a public appeal over the death.
He has not yet been charged.
It comes a 42-year-old man remains in hospital under police guard over the incident.
Candice Harper, 34, appeared in the Melbourne Magistrates Court on Monday charged with Mr Rowlands' murder.
She is also accused of affray with unlawful violence.