Kent Police have issued a computer generated image of the man they believe to be responsible for a count of sexual assault in Canterbury.
Detectives have also released a description of the man in an attempt to identify him.
The assault is reported to have taken place in the underpass between Castle Street and Wincheap on Sunday 7th February.
The victim, a girl in her late teens, was walking towards Canterbury East Station at around 5.30pm when a man ran into her and grabbed her.
The man is described as about 18-years-old, white and about 5ft 10in tall. He was unshaven and was wearing a blue sports jacket and grey jogging bottoms.
Kent Police are asking that if any members of the public recognises the suspect, they call 01843 222289 quotingZY/4227/16.