Police are seeking a woman who potentially saw a man indecently exposing himself to a little girl in Littlehampton.
The 13-year-old was reportedly approached in the High Street, opposite the Littlehampton United Church, at around 8,15am on March 9.
Police are keen to speak to the woman passerby who may have witnessed the incident.
She is believed to have been walking along the High Street, near the Church, in the direction of the town centre at the time of the incident.
A Littlehampton man was arrested on suspicion of indecent exposure, and has been released under investigation.
Anyone with information is urged to contact 101, quoting reference 250 of 09/03/21.