The 17-year-old woman was approached by two unknown individuals close to Belmont Village Procuring Centre in Belmont on Excessive Road round 5.30pm earlier than she was attacked, police say.
She sustained a stab wound and was taken to College Hospital Geelong, the place she stays in a secure situation.
Ambulance Victoria confirmed {the teenager} has been handled for higher and decrease physique accidents.
A spokesperson for Victoria Police mentioned the alleged offenders fled the scene in a automotive.
A manhunt is now underway.
Police are nonetheless investigating the precise circumstances surrounding the incident.
Anybody with details about the assault is urged to contact Crime Stoppers on 1800 333 000.