Homicide Squad detectives have charged a third teenager with murder in relation to the death of a 15-year-old boy in Craigieburn on Wednesday.
The Mickleham boy was located with stab wounds outside a medical centre on Lygon Drive about 7.50pm.
CPR was performed by a staff member from the nearby medical centre, but the teenager died at the scene.
A 14-year-old boy from the Hume area was arrested last night and has now been charged with murder and will appear before a children's court.
A 15-year-old boy, from the Craigieburn area and a 16-year-old boy from the Goulburn Valley area were charged yesterday with murder and will appear before a children's court.
A 20-year-old Beveridge man was charged with criminal damage by fire and bailed to appear at Melbourne Magistrates' Court on 1 December.
A 15-year-old girl from the Fawkner area was charged with affray and theft of motor vehicle and bailed to appear in a children's court at a later date.
The investigation is continuing.
Anyone who witnessed the incident, with footage or information is urged to contact Crime Stoppers on 1800 333 000 or via www.crimestoppersvic.com.au.
