Detectives are appealing for information about a vulnerable teenager from who walked into a police station.
Little is known about the girl, she believed to be aged around 16 and originally from Sierra Leone.
Police are keen to speak to anyone who might have come to her assistance in Gravesend, Kent, on January 19.
The teenager is safe and well, but the circumstances of her whereabouts before she went to Gravesend police station are being investigated.
She is described as black and was wearing red jeans, a black hooded coat and black and white trainers.
Police believe the girl spoke to a number of people and asked for directions to the nearest police station, before arriving in a distressed state at 7.20pm.
Detective Constable Rob Sircar, of Kent Police, said: ‘This is an unusual set of circumstances and we are making enquiries to establish where the girl may have been staying and under what conditions.
‘We are particularly keen to hear from anyone who may have seen the girl walking or those who spoke to her.’
Anyone with information is asked to contact Kent Police on 01474 366149 and quote reference XY/002297/16.