Homicide Squad detectives have charged a further two people as part of their investigation into the fatal stabbing of a man in St Albans earlier this month.
A 45-year-old Thomastown woman and a 40-year-old Thomastown man have this afternoon been charged with murder.
The pair will face Melbourne Magistrates' Court later today.
A third person, a 33-year-old man from St Albans, was also charged with murder on Friday 8 July.
Detectives from Fawkner Divisional Response Unit also arrested a 44-year-old Essendon North man in relation to drug matters.
The charges follow an incident on Wednesday, 6 July when an injured man was found on an Emily Street nature strip about 11.45pm.
Attending police provided first aid to the man before ambulance paramedics arrived.
A 49-year-old St Albans man died at the scene.