A woman was assaulted in a car in Co Down on Monday afternoon.
Police believe there may have been a witness to the attack and are trying to track her down.
PSNI Detective Sergeant Lynch said the attack happened sometime between 2.30pm and 3.30pm in the Colmcille area of Downpatrick.
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"Our investigation into this incident is continuing and I would like to make a specific appeal for a witness," he added.
"We believe a female passer-by who was outside a school on Racecourse Hill may have witnessed the assault that occurred inside a vehicle that was stopped outside this location.
"I am appealing for them to get in touch with us so we can determine if they have any information which could assist us with our investigation."
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