Police have charged a 25-year-old man with sexual offences after an incident outside a sports store in Grenville St, Ballarat.
It happened at 11.15am Tuesday morning.
Detecives from the Ballarat Sexual Offences and Child Abuse Investigation Team want to speak with witnesses, including a man in a green shirt who stopped to speak to the 19-year-old female victim and a woman in a light blue 2007 Nissan X-Trail.
They are also seeking any CCTV or dashcam footage.
Anyone wqith information should call Crimestoppers on 1800 333 000