A teenage girl was raped by a man in the Walton Street car park in Aylesbury town centre on Monday evening.
Sometime between 6.30pm and 7.50pm, the girl was with her friends in the Walton Street car park, behind the Buckinghamshire New University Aylesbury Campus and Aylesbury Waterside Theatre.
She became separated from her friends and was raped by a man in the car park on level five and also in the stairwell on level three.
The offender is described as black, aged between 19 and 24 and approximately 5ft 11ins tall.
He had his hood up with a blue item underneath and was wearing black joggers, a black puffa coat, black shoes and a bum bag across his body.
Thames Valley Police is appealing for information.
Detective Inspector Simon Tyas, based at Aylesbury police station, said: “The incident reported is naturally very concerning and the victim is being supported by specially trained officers at this time.
“I am appealing to anybody who was in the areas where the victim was between 6.30pm and 7.50pm on Monday to please contact Thames Valley Police if you believe you witnessed anything that can assist this investigation.
“I would also like to hear from anybody in the local area who may have been driving and has dash-cam, to please check this and contact us if it has captured anything.
“Also, if anybody living nearby has CCTV installed, please check this and get in touch if it has captured anything that can assist us.
“I would like to re-assure the local community that we are investigating this as a priority.
“You can make a report on our website or by calling 101, quoting reference number 43220156535.
“You can also contact the independent charity Crimestoppers 100% anonymously by calling 0800 555 111 or via its website.”