Derbyshire police have released an e-fit of a man they want to question in connection with a sexual assault on a 36-year-old woman.
The victim was followed into a car park on St Mary's Gate, Chesterfield, at about 2330 GMT on 5 February and then approached by a man.
Police said he assaulted her and as she screamed for help he ran off along Vicar Lane towards the town centre.
He is described as being in his late 50s with a Mediterranean appearance.
Police said he was described as about 6ft tall and of medium build.
He was wearing a dark brown coat, a dark shirt, a round-necked dark jumper, dark trousers and black square-toed shoes.