Westgate Sexual Offences and Child Abuse Investigation Team (SOCIT) detectives are investigating an attempted kidnapping in Tarneit earlier this week.
It is understood a 20-year-old woman was walking along Thames Boulevard after exiting a bus near the intersection of Thames Boulevard and Melpomene Boulevard about 9.15pm on Wednesday, 19 March.
The woman was approached by an unknown man, who attempted to drag her towards the road.
She managed to struggle and break free from the offender, who then fled south on Thames Boulevard towards the intersection of Melpomene Boulevard.
The woman was not physically injured.
Investigators have released CCTV showing the man grab the victim, and of her screaming.
He is described as being approximately 160-165cm tall and is of slim build with short dark hair.
Police believe he is aged in his late teens to early twenties.
Investigators would like to speak to the driver of a dark coloured 4WD that was in the area at the time and might have witnessed the incident.
Anyone with information is urged to contact Crime Stoppers on 1800 333 000 or anonymously at www.crimestoppersvic.com.au