Melbourne Sexual Offences and Child Abuse Investigation Team detectives are investigating a stalking incident which occurred in Southbank on 11 July.
Investigators have been told a 11-year-old boy was walking near Freshwater Place about 6pm when he was approached by an unknown man.
The man asked the victim a number of inappropriate questions before following the victim along City Road and asking further questions.
The victim called a family member and the man walked off along Southbank Boulevard.
The offender is described as Caucasian, 195cm tall, 55-65-years-old, 90kg, grey/white hair and with a gut.
At the time of the offence he was wearing a black cap, grey jumper, blue jeans and possibly fingerless gloves.
Detectives have released CCTV and images of a man they believe may be able to assist with their enquiries.
Anyone with information is urged to contact Crime Stoppers on 1800 333 000 or make a report online at www.crimestoppersvic.com.auExternal Link.